Teacher Li borrowed 20,000 yuan from the bank for a five-year period to buy a house. The annual interest rate of the loan is 7.2%. How much will Teacher Li have to repay after the maturity date?
李老师为了买房在银行贷了20000元五年期的款，贷款年利率是7.2%，到期后李老师一共要还多少元？
<gadget id="calculator">7.2 / 100</gadget>
<output>0.072</output>

<gadget id="calculator">20_000 * 0.072 * 5</gadget>
<output>7_200</output>

<gadget id="calculator">7_200 + 20_000</gadget>
<output>27_200</output>

<result>27_200</result>