70607 1.38 yuan. The loan amount is equal to the monthly repayment amount/divided by [( 1 plus monthly interest rate) minus 1] times [( 1 plus monthly interest rate) minus 12], and the annual interest rate is converted into monthly interest rate. Given an annual interest rate of 3.95%, 0.0395 divided by 12 equals 0. The loan amount is equal to 3600 divided by [1 plus 0.0033 to the 300th power minus 1] multiplied by [1 plus 0.0033 to the 300th power divided by 0.0033], and the calculation result is about 70607 1.38 yuan.