25000÷51=490.196078431372549019607843137254901每月还本金
1048-490.196078431372549019607843137254901
=557.803921568627450980392156862745099每月利息
557.803921568627450980392156862745099×51
=28448.000000000000000000000000000000049五十一期总利息
1048×51=53448总共还款
53448-25000=28448赚你
28448-25000=3448
厉害,翻了一倍多!!!