334,583 yuan. Based on the benchmark loan interest rate of 6. 15%, the monthly remaining repayment amount in the past five years is 26 17 yuan, and the repayment amount has been 157066 yuan, of which the interest is 90289 yuan. If it is paid off in one lump sum this month, it needs 334,583 yuan, then the mortgage is 4 1 10. The average capital is more every month at the beginning, and then the more it is, the less it is every month.