Dad deposits 20,000 yuan in the bank for two years, with an annual interest rate of 3.06%. How much interest can he get after maturity?
爸爸将20000元存入银行，定期两年，年利率是3.06%，到期后可得利息多少元．
<gadget id="calculator">3.06 / 100</gadget>
<output>0.0306</output>

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

<result>1_224</result>