The mother deposits 20,000 yuan in the bank for two years, and the annual interest rate is 3.06%. After two years, how much money will the mother get back from the bank?
妈妈存入银行20000元，定期两年，按年利率3.06%计算，两年后，妈妈从银行共取回多少钱？
<gadget id="calculator">3.06 / 100</gadget>
<output>0.0306</output>

<gadget id="calculator">20_000 * 0.0306 * 2</gadget>
<output>1_224</output>

<gadget id="calculator">20_000 + 1_224</gadget>
<output>21_224</output>

<result>21_224</result>