a=f*i( 1+i)^n/[( 1+i)^n- 1]

A: Monthly payment;

F: total loan amount;

I: loan interest rate (monthly interest rate);

N: repayment months

Calculation result:

The total loan is 300,000 yuan.

Number of repayment months:1August

Monthly repayment is 22,865,438 yuan +0.20 yuan.

Total interest paid110,616.89 yuan.

The total principal and interest is 465,438+00,665,438+06.89 yuan.