Xiaogang deposits 500 yuan of New Year's money in the bank for three years. If the annual interest rate is 3.42%, how much interest can he get after maturity?
小刚将500元压岁钱存入银行，整存争取三年，若年利率是3.42%，到期后可以得到利息多少元．
<gadget id="calculator">3.42 / 100</gadget>
<output>0.0342</output>

<gadget id="calculator">500 * 0.0342 * 3</gadget>
<output>51.3</output>

<result>51.3</result>