Xiaojun deposits 500 yuan in the bank. If the annual interest rate is 4.14%, what is the interest due in one year?
小军把500元存入银行，如果年利率为4.14%，一年后到期的利息是多少元．
<gadget id="calculator">4.14 / 100</gadget>
<output>0.0414</output>

<gadget id="calculator">500 * 0.0414 * 1</gadget>
<output>20.7</output>

<result>20.7</result>