Xiaoxiao deposited RMB 20,000 in the bank for five years, with an annual interest rate of 5.50%. How much is the principal and interest payable by the bank to Xiaoxiao when it matures?
笑笑在银行存了20000元人民币，定期五年，年利率是5.50%．到期时银行应付给笑笑本息多少元？
<gadget id="calculator">5.5 / 100</gadget>
<output>0.055</output>

<gadget id="calculator">20_000 * 0.055 * 5</gadget>
<output>5_500</output>

<gadget id="calculator">20_000 + 5_500</gadget>
<output>25_500</output>

<result>25_500</result>