首页> 房产资讯 > 安庆市213.8万房贷(商业贷款)20年6个月等额本息和等额本金一年要还多少_20年6个月年利息多少_20年6个月本金多少

安庆市213.8万房贷(商业贷款)20年6个月等额本息和等额本金一年要还多少_20年6个月年利息多少_20年6个月本金多少

安庆市贷款213.8万(商业贷款)房贷,还款20年6个月的等额本息和等额本金的还款方式明细。

等额本息还款方式:

贷款总额:213.8万

还款月数:20年6个月

每月还款:12693.17元

利息总额:98.45万

本息合计:312.25万

您在安庆市商业贷款213.8万贷款2025年2月,将于20年6个月还清,具体还款明细如下表!

期次 还款日期 每月还款 偿还利息 偿还本金 剩余本金
12025-0212693.177037.585655.592132344.41
22025-0312693.177018.975674.202126670.21
32025-0412693.177000.295692.882120977.33
42025-0512693.176981.555711.622115265.71
52025-0612693.176962.755730.422109535.29
62025-0712693.176943.895749.282103786.01
72025-0812693.176924.965768.212098017.80
82025-0912693.176905.985787.192092230.60
92025-1012693.176886.935806.242086424.36
102025-1112693.176867.815825.362080599.00
112025-1212693.176848.645844.532074754.47
122026-0112693.176829.405863.772068890.70
132026-0212693.176810.105883.072063007.63
142026-0312693.176790.735902.442057105.19
152026-0412693.176771.305921.872051183.33
162026-0512693.176751.815941.362045241.97
172026-0612693.176732.255960.922039281.05
182026-0712693.176712.635980.542033300.52
192026-0812693.176692.956000.222027300.30
202026-0912693.176673.206019.972021280.32
212026-1012693.176653.386039.792015240.53
222026-1112693.176633.506059.672009180.86
232026-1212693.176613.556079.622003101.25
242027-0112693.176593.546099.631997001.62
252027-0212693.176573.466119.711990881.91
262027-0312693.176553.326139.851984742.06
272027-0412693.176533.116160.061978582.00
282027-0512693.176512.836180.341972401.66
292027-0612693.176492.496200.681966200.98
302027-0712693.176472.086221.091959979.89
312027-0812693.176451.606241.571953738.32
322027-0912693.176431.066262.111947476.21
332027-1012693.176410.446282.731941193.48
342027-1112693.176389.766303.411934890.07
352027-1212693.176369.016324.161928565.91
362028-0112693.176348.206344.971922220.94
372028-0212693.176327.316365.861915855.08
382028-0312693.176306.366386.811909468.27
392028-0412693.176285.336407.841903060.43
402028-0512693.176264.246428.931896631.50
412028-0612693.176243.086450.091890181.41
422028-0712693.176221.856471.321883710.09
432028-0812693.176200.556492.621877217.46
442028-0912693.176179.176514.001870703.47
452028-1012693.176157.736535.441864168.03
462028-1112693.176136.226556.951857611.08
472028-1212693.176114.646578.531851032.54
482029-0112693.176092.986600.191844432.36
492029-0212693.176071.266621.911837810.44
502029-0312693.176049.466643.711831166.73
512029-0412693.176027.596665.581824501.15
522029-0512693.176005.656687.521817813.63
532029-0612693.175983.646709.531811104.10
542029-0712693.175961.556731.621804372.48
552029-0812693.175939.396753.781797618.70
562029-0912693.175917.166776.011790842.69
572029-1012693.175894.866798.311784044.38
582029-1112693.175872.486820.691777223.69
592029-1212693.175850.036843.141770380.55
602030-0112693.175827.506865.671763514.88
612030-0212693.175804.906888.271756626.61
622030-0312693.175782.236910.941749715.67
632030-0412693.175759.486933.691742781.98
642030-0512693.175736.666956.511735825.47
652030-0612693.175713.766979.411728846.06
662030-0712693.175690.787002.391721843.68
672030-0812693.175667.747025.431714818.24
682030-0912693.175644.617048.561707769.68
692030-1012693.175621.417071.761700697.92
702030-1112693.175598.137095.041693602.88
712030-1212693.175574.787118.391686484.49
722031-0112693.175551.347141.831679342.66
732031-0212693.175527.847165.331672177.33
742031-0312693.175504.257188.921664988.41
752031-0412693.175480.597212.581657775.82
762031-0512693.175456.857236.321650539.50
772031-0612693.175433.037260.141643279.36
782031-0712693.175409.137284.041635995.31
792031-0812693.175385.157308.021628687.29
802031-0912693.175361.107332.071621355.22
812031-1012693.175336.967356.211613999.01
822031-1112693.175312.757380.421606618.59
832031-1212693.175288.457404.721599213.87
842032-0112693.175264.087429.091591784.78
852032-0212693.175239.627453.551584331.23
862032-0312693.175215.097478.081576853.15
872032-0412693.175190.477502.701569350.46
882032-0512693.175165.787527.391561823.07
892032-0612693.175141.007552.171554270.90
902032-0712693.175116.147577.031546693.87
912032-0812693.175091.207601.971539091.90
922032-0912693.175066.187626.991531464.91
932032-1012693.175041.077652.101523812.81
942032-1112693.175015.887677.291516135.52
952032-1212693.174990.617702.561508432.97
962033-0112693.174965.267727.911500705.06
972033-0212693.174939.827753.351492951.71
982033-0312693.174914.307778.871485172.84
992033-0412693.174888.697804.481477368.36
1002033-0512693.174863.007830.171469538.19
1012033-0612693.174837.237855.941461682.25
1022033-0712693.174811.377881.801453800.45
1032033-0812693.174785.437907.741445892.71
1042033-0912693.174759.407933.771437958.94
1052033-1012693.174733.287959.891429999.05
1062033-1112693.174707.087986.091422012.96
1072033-1212693.174680.798012.381414000.58
1082034-0112693.174654.428038.751405961.83
1092034-0212693.174627.968065.211397896.62
1102034-0312693.174601.418091.761389804.86
1112034-0412693.174574.778118.401381686.46
1122034-0512693.174548.058145.121373541.34
1132034-0612693.174521.248171.931365369.41
1142034-0712693.174494.348198.831357170.59
1152034-0812693.174467.358225.821348944.77
1162034-0912693.174440.288252.891340691.87
1172034-1012693.174413.118280.061332411.82
1182034-1112693.174385.868307.311324104.50
1192034-1212693.174358.518334.661315769.84
1202035-0112693.174331.088362.091307407.75
1212035-0212693.174303.558389.621299018.13
1222035-0312693.174275.938417.241290600.89
1232035-0412693.174248.238444.941282155.95
1242035-0512693.174220.438472.741273683.21
1252035-0612693.174192.548500.631265182.58
1262035-0712693.174164.568528.611256653.97
1272035-0812693.174136.498556.681248097.29
1282035-0912693.174108.328584.851239512.44
1292035-1012693.174080.068613.111230899.33
1302035-1112693.174051.718641.461222257.87
1312035-1212693.174023.278669.901213587.96
1322036-0112693.173994.738698.441204889.52
1332036-0212693.173966.098727.081196162.45
1342036-0312693.173937.378755.801187406.64
1352036-0412693.173908.558784.621178622.02
1362036-0512693.173879.638813.541169808.48
1372036-0612693.173850.628842.551160965.93
1382036-0712693.173821.518871.661152094.27
1392036-0812693.173792.318900.861143193.41
1402036-0912693.173763.018930.161134263.26
1412036-1012693.173733.628959.551125303.70
1422036-1112693.173704.128989.051116314.66
1432036-1212693.173674.549018.631107296.02
1442037-0112693.173644.859048.321098247.70
1452037-0212693.173615.079078.101089169.60
1462037-0312693.173585.189107.991080061.61
1472037-0412693.173555.209137.971070923.64
1482037-0512693.173525.129168.051061755.60
1492037-0612693.173494.959198.221052557.37
1502037-0712693.173464.679228.501043328.87
1512037-0812693.173434.299258.881034069.99
1522037-0912693.173403.819289.361024780.63
1532037-1012693.173373.249319.931015460.70
1542037-1112693.173342.569350.611006110.09
1552037-1212693.173311.789381.39996728.70
1562038-0112693.173280.909412.27987316.43
1572038-0212693.173249.929443.25977873.17
1582038-0312693.173218.839474.34968398.84
1592038-0412693.173187.659505.52958893.31
1602038-0512693.173156.369536.81949356.50
1612038-0612693.173124.979568.20939788.29
1622038-0712693.173093.479599.70930188.59
1632038-0812693.173061.879631.30920557.29
1642038-0912693.173030.179663.00910894.29
1652038-1012693.172998.369694.81901199.48
1662038-1112693.172966.459726.72891472.76
1672038-1212693.172934.439758.74881714.02
1682039-0112693.172902.319790.86871923.16
1692039-0212693.172870.089823.09862100.07
1702039-0312693.172837.759855.42852244.65
1712039-0412693.172805.319887.86842356.78
1722039-0512693.172772.769920.41832436.37
1732039-0612693.172740.109953.07822483.30
1742039-0712693.172707.349985.83812497.47
1752039-0812693.172674.4710018.70802478.78
1762039-0912693.172641.4910051.68792427.10
1772039-1012693.172608.4110084.76782342.33
1782039-1112693.172575.2110117.96772224.37
1792039-1212693.172541.9110151.26762073.11
1802040-0112693.172508.4910184.68751888.43
1812040-0212693.172474.9710218.20741670.23
1822040-0312693.172441.3310251.84731418.39
1832040-0412693.172407.5910285.58721132.80
1842040-0512693.172373.7310319.44710813.36
1852040-0612693.172339.7610353.41700459.95
1862040-0712693.172305.6810387.49690072.46
1872040-0812693.172271.4910421.68679650.78
1882040-0912693.172237.1810455.99669194.79
1892040-1012693.172202.7710490.40658704.39
1902040-1112693.172168.2410524.93648179.46
1912040-1212693.172133.5910559.58637619.88
1922041-0112693.172098.8310594.34627025.54
1932041-0212693.172063.9610629.21616396.33
1942041-0312693.172028.9710664.20605732.13
1952041-0412693.171993.8710699.30595032.83
1962041-0512693.171958.6510734.52584298.31
1972041-0612693.171923.3210769.85573528.45
1982041-0712693.171887.8610805.31562723.15
1992041-0812693.171852.3010840.87551882.27
2002041-0912693.171816.6110876.56541005.72
2012041-1012693.171780.8110912.36530093.36
2022041-1112693.171744.8910948.28519145.08
2032041-1212693.171708.8510984.32508160.76
2042042-0112693.171672.7011020.47497140.29
2052042-0212693.171636.4211056.75486083.54
2062042-0312693.171600.0211093.15474990.39
2072042-0412693.171563.5111129.66463860.73
2082042-0512693.171526.8711166.30452694.44
2092042-0612693.171490.1211203.05441491.38
2102042-0712693.171453.2411239.93430251.46
2112042-0812693.171416.2411276.93418974.53
2122042-0912693.171379.1211314.05407660.49
2132042-1012693.171341.8811351.29396309.20
2142042-1112693.171304.5211388.65384920.55
2152042-1212693.171267.0311426.14373494.41
2162043-0112693.171229.4211463.75362030.66
2172043-0212693.171191.6811501.49350529.17
2182043-0312693.171153.8311539.34338989.82
2192043-0412693.171115.8411577.33327412.50
2202043-0512693.171077.7311615.44315797.06
2212043-0612693.171039.5011653.67304143.39
2222043-0712693.171001.1411692.03292451.36
2232043-0812693.17962.6511730.52280720.84
2242043-0912693.17924.0411769.13268951.71
2252043-1012693.17885.3011807.87257143.84
2262043-1112693.17846.4311846.74245297.10
2272043-1212693.17807.4411885.73233411.37
2282044-0112693.17768.3111924.86221486.51
2292044-0212693.17729.0611964.11209522.40
2302044-0312693.17689.6812003.49197518.91
2312044-0412693.17650.1712043.00185475.90
2322044-0512693.17610.5212082.65173393.26
2332044-0612693.17570.7512122.42161270.84
2342044-0712693.17530.8512162.32149108.52
2352044-0812693.17490.8212202.35136906.16
2362044-0912693.17450.6512242.52124663.64
2372044-1012693.17410.3512282.82112380.82
2382044-1112693.17369.9212323.25100057.58
2392044-1212693.17329.3612363.8187693.76
2402045-0112693.17288.6612404.5175289.25
2412045-0212693.17247.8312445.3462843.91
2422045-0312693.17206.8612486.3150357.60
2432045-0412693.17165.7612527.4137830.19
2442045-0512693.17124.5212568.6525261.54
2452045-0612693.1783.1512610.0212651.53
2462045-0712693.1741.6412651.530.00

等额本金还款方式:

贷款总额:213.8万

还款月数:20年6个月

首月还款:15728.64元

每月递减:28.61元

利息总额:86.91万

本息合计:300.71万

节省利息:115378.28元

期次 还款日期 每月还款 偿还利息 偿还本金 剩余本金
12025-0215728.647037.588691.062129308.94
22025-0315700.037008.988691.062120617.89
32025-0415671.426980.378691.062111926.83
42025-0515642.826951.768691.062103235.77
52025-0615614.216923.158691.062094544.72
62025-0715585.606894.548691.062085853.66
72025-0815556.996865.938691.062077162.60
82025-0915528.386837.338691.062068471.54
92025-1015499.786808.728691.062059780.49
102025-1115471.176780.118691.062051089.43
112025-1215442.566751.508691.062042398.37
122026-0115413.956722.898691.062033707.32
132026-0215385.346694.298691.062025016.26
142026-0315356.746665.688691.062016325.20
152026-0415328.136637.078691.062007634.15
162026-0515299.526608.468691.061998943.09
172026-0615270.916579.858691.061990252.03
182026-0715242.306551.258691.061981560.98
192026-0815213.706522.648691.061972869.92
202026-0915185.096494.038691.061964178.86
212026-1015156.486465.428691.061955487.80
222026-1115127.876436.818691.061946796.75
232026-1215099.266408.218691.061938105.69
242027-0115070.656379.608691.061929414.63
252027-0215042.056350.998691.061920723.58
262027-0315013.446322.388691.061912032.52
272027-0414984.836293.778691.061903341.46
282027-0514956.226265.178691.061894650.41
292027-0614927.616236.568691.061885959.35
302027-0714899.016207.958691.061877268.29
312027-0814870.406179.348691.061868577.24
322027-0914841.796150.738691.061859886.18
332027-1014813.186122.138691.061851195.12
342027-1114784.576093.528691.061842504.07
352027-1214755.976064.918691.061833813.01
362028-0114727.366036.308691.061825121.95
372028-0214698.756007.698691.061816430.89
382028-0314670.145979.098691.061807739.84
392028-0414641.535950.488691.061799048.78
402028-0514612.935921.878691.061790357.72
412028-0614584.325893.268691.061781666.67
422028-0714555.715864.658691.061772975.61
432028-0814527.105836.048691.061764284.55
442028-0914498.495807.448691.061755593.50
452028-1014469.895778.838691.061746902.44
462028-1114441.285750.228691.061738211.38
472028-1214412.675721.618691.061729520.33
482029-0114384.065693.008691.061720829.27
492029-0214355.455664.408691.061712138.21
502029-0314326.855635.798691.061703447.15
512029-0414298.245607.188691.061694756.10
522029-0514269.635578.578691.061686065.04
532029-0614241.025549.968691.061677373.98
542029-0714212.415521.368691.061668682.93
552029-0814183.805492.758691.061659991.87
562029-0914155.205464.148691.061651300.81
572029-1014126.595435.538691.061642609.76
582029-1114097.985406.928691.061633918.70
592029-1214069.375378.328691.061625227.64
602030-0114040.765349.718691.061616536.59
612030-0214012.165321.108691.061607845.53
622030-0313983.555292.498691.061599154.47
632030-0413954.945263.888691.061590463.41
642030-0513926.335235.288691.061581772.36
652030-0613897.725206.678691.061573081.30
662030-0713869.125178.068691.061564390.24
672030-0813840.515149.458691.061555699.19
682030-0913811.905120.848691.061547008.13
692030-1013783.295092.248691.061538317.07
702030-1113754.685063.638691.061529626.02
712030-1213726.085035.028691.061520934.96
722031-0113697.475006.418691.061512243.90
732031-0213668.864977.808691.061503552.85
742031-0313640.254949.198691.061494861.79
752031-0413611.644920.598691.061486170.73
762031-0513583.044891.988691.061477479.67
772031-0613554.434863.378691.061468788.62
782031-0713525.824834.768691.061460097.56
792031-0813497.214806.158691.061451406.50
802031-0913468.604777.558691.061442715.45
812031-1013440.004748.948691.061434024.39
822031-1113411.394720.338691.061425333.33
832031-1213382.784691.728691.061416642.28
842032-0113354.174663.118691.061407951.22
852032-0213325.564634.518691.061399260.16
862032-0313296.954605.908691.061390569.11
872032-0413268.354577.298691.061381878.05
882032-0513239.744548.688691.061373186.99
892032-0613211.134520.078691.061364495.93
902032-0713182.524491.478691.061355804.88
912032-0813153.914462.868691.061347113.82
922032-0913125.314434.258691.061338422.76
932032-1013096.704405.648691.061329731.71
942032-1113068.094377.038691.061321040.65
952032-1213039.484348.438691.061312349.59
962033-0113010.874319.828691.061303658.54
972033-0212982.274291.218691.061294967.48
982033-0312953.664262.608691.061286276.42
992033-0412925.054233.998691.061277585.37
1002033-0512896.444205.398691.061268894.31
1012033-0612867.834176.788691.061260203.25
1022033-0712839.234148.178691.061251512.20
1032033-0812810.624119.568691.061242821.14
1042033-0912782.014090.958691.061234130.08
1052033-1012753.404062.348691.061225439.02
1062033-1112724.794033.748691.061216747.97
1072033-1212696.194005.138691.061208056.91
1082034-0112667.583976.528691.061199365.85
1092034-0212638.973947.918691.061190674.80
1102034-0312610.363919.308691.061181983.74
1112034-0412581.753890.708691.061173292.68
1122034-0512553.153862.098691.061164601.63
1132034-0612524.543833.488691.061155910.57
1142034-0712495.933804.878691.061147219.51
1152034-0812467.323776.268691.061138528.46
1162034-0912438.713747.668691.061129837.40
1172034-1012410.113719.058691.061121146.34
1182034-1112381.503690.448691.061112455.28
1192034-1212352.893661.838691.061103764.23
1202035-0112324.283633.228691.061095073.17
1212035-0212295.673604.628691.061086382.11
1222035-0312267.063576.018691.061077691.06
1232035-0412238.463547.408691.061069000.00
1242035-0512209.853518.798691.061060308.94
1252035-0612181.243490.188691.061051617.89
1262035-0712152.633461.588691.061042926.83
1272035-0812124.023432.978691.061034235.77
1282035-0912095.423404.368691.061025544.72
1292035-1012066.813375.758691.061016853.66
1302035-1112038.203347.148691.061008162.60
1312035-1212009.593318.548691.06999471.54
1322036-0111980.983289.938691.06990780.49
1332036-0211952.383261.328691.06982089.43
1342036-0311923.773232.718691.06973398.37
1352036-0411895.163204.108691.06964707.32
1362036-0511866.553175.498691.06956016.26
1372036-0611837.943146.898691.06947325.20
1382036-0711809.343118.288691.06938634.15
1392036-0811780.733089.678691.06929943.09
1402036-0911752.123061.068691.06921252.03
1412036-1011723.513032.458691.06912560.98
1422036-1111694.903003.858691.06903869.92
1432036-1211666.302975.248691.06895178.86
1442037-0111637.692946.638691.06886487.80
1452037-0211609.082918.028691.06877796.75
1462037-0311580.472889.418691.06869105.69
1472037-0411551.862860.818691.06860414.63
1482037-0511523.262832.208691.06851723.58
1492037-0611494.652803.598691.06843032.52
1502037-0711466.042774.988691.06834341.46
1512037-0811437.432746.378691.06825650.41
1522037-0911408.822717.778691.06816959.35
1532037-1011380.212689.168691.06808268.29
1542037-1111351.612660.558691.06799577.24
1552037-1211323.002631.948691.06790886.18
1562038-0111294.392603.338691.06782195.12
1572038-0211265.782574.738691.06773504.07
1582038-0311237.172546.128691.06764813.01
1592038-0411208.572517.518691.06756121.95
1602038-0511179.962488.908691.06747430.89
1612038-0611151.352460.298691.06738739.84
1622038-0711122.742431.698691.06730048.78
1632038-0811094.132403.088691.06721357.72
1642038-0911065.532374.478691.06712666.67
1652038-1011036.922345.868691.06703975.61
1662038-1111008.312317.258691.06695284.55
1672038-1210979.702288.648691.06686593.50
1682039-0110951.092260.048691.06677902.44
1692039-0210922.492231.438691.06669211.38
1702039-0310893.882202.828691.06660520.33
1712039-0410865.272174.218691.06651829.27
1722039-0510836.662145.608691.06643138.21
1732039-0610808.052117.008691.06634447.15
1742039-0710779.452088.398691.06625756.10
1752039-0810750.842059.788691.06617065.04
1762039-0910722.232031.178691.06608373.98
1772039-1010693.622002.568691.06599682.93
1782039-1110665.011973.968691.06590991.87
1792039-1210636.411945.358691.06582300.81
1802040-0110607.801916.748691.06573609.76
1812040-0210579.191888.138691.06564918.70
1822040-0310550.581859.528691.06556227.64
1832040-0410521.971830.928691.06547536.59
1842040-0510493.361802.318691.06538845.53
1852040-0610464.761773.708691.06530154.47
1862040-0710436.151745.098691.06521463.41
1872040-0810407.541716.488691.06512772.36
1882040-0910378.931687.888691.06504081.30
1892040-1010350.321659.278691.06495390.24
1902040-1110321.721630.668691.06486699.19
1912040-1210293.111602.058691.06478008.13
1922041-0110264.501573.448691.06469317.07
1932041-0210235.891544.848691.06460626.02
1942041-0310207.281516.238691.06451934.96
1952041-0410178.681487.628691.06443243.90
1962041-0510150.071459.018691.06434552.85
1972041-0610121.461430.408691.06425861.79
1982041-0710092.851401.808691.06417170.73
1992041-0810064.241373.198691.06408479.67
2002041-0910035.641344.588691.06399788.62
2012041-1010007.031315.978691.06391097.56
2022041-119978.421287.368691.06382406.50
2032041-129949.811258.758691.06373715.45
2042042-019921.201230.158691.06365024.39
2052042-029892.601201.548691.06356333.33
2062042-039863.991172.938691.06347642.28
2072042-049835.381144.328691.06338951.22
2082042-059806.771115.718691.06330260.16
2092042-069778.161087.118691.06321569.11
2102042-079749.561058.508691.06312878.05
2112042-089720.951029.898691.06304186.99
2122042-099692.341001.288691.06295495.93
2132042-109663.73972.678691.06286804.88
2142042-119635.12944.078691.06278113.82
2152042-129606.51915.468691.06269422.76
2162043-019577.91886.858691.06260731.71
2172043-029549.30858.248691.06252040.65
2182043-039520.69829.638691.06243349.59
2192043-049492.08801.038691.06234658.54
2202043-059463.47772.428691.06225967.48
2212043-069434.87743.818691.06217276.42
2222043-079406.26715.208691.06208585.37
2232043-089377.65686.598691.06199894.31
2242043-099349.04657.998691.06191203.25
2252043-109320.43629.388691.06182512.20
2262043-119291.83600.778691.06173821.14
2272043-129263.22572.168691.06165130.08
2282044-019234.61543.558691.06156439.02
2292044-029206.00514.958691.06147747.97
2302044-039177.39486.348691.06139056.91
2312044-049148.79457.738691.06130365.85
2322044-059120.18429.128691.06121674.80
2332044-069091.57400.518691.06112983.74
2342044-079062.96371.908691.06104292.68
2352044-089034.35343.308691.0695601.63
2362044-099005.75314.698691.0686910.57
2372044-108977.14286.088691.0678219.51
2382044-118948.53257.478691.0669528.46
2392044-128919.92228.868691.0660837.40
2402045-018891.31200.268691.0652146.34
2412045-028862.71171.658691.0643455.28
2422045-038834.10143.048691.0634764.23
2432045-048805.49114.438691.0626073.17
2442045-058776.8885.828691.0617382.11
2452045-068748.2757.228691.068691.06
2462045-078719.6628.618691.060.00

最新房产资讯

热门房产资讯

最新推荐

随机推荐

友情链接:

广告合作商务QQ:

2025年最新贷款计算器,采用2025年最新房贷基准利率,房贷利率表,提供贷款、商业贷款、公积金买房、个人按揭月供购房等银行房贷利率计算公式在线使用,2025年最好用的房贷计算器,房贷利息计算专家。