Xiaoxiao's mother has deposited 20,000 yuan in the bank for three years, with an annual interest rate of 3.75%. How much can Xiaoxiao’s mother get the principal and interest when it’s due?
笑笑妈妈在银行存了20000元人民币，定期三年，年利率是3.75%．到期时笑笑妈妈可以拿到本金和利息一共多少元？
<gadget id="calculator">3.75 / 100</gadget>
<output>0.0375</output>

<gadget id="calculator">20_000 * 0.0375 * 3</gadget>
<output>2_250</output>

<gadget id="calculator">20_000 + 2_250</gadget>
<output>22_250</output>

<result>22_250</result>