Xiaodong deposits 20,000 yuan in the bank, fixed for 5 years, with an annual interest rate of 3.2%, how much interest can Xiaodong get when it matures.
小东存银行20000元，定期5年，年利率3.2%，到期小东可得利息多少元．
<gadget id="calculator">3.2 / 100</gadget>
<output>0.032</output>

<gadget id="calculator">20_000 * 0.032 * 5</gadget>
<output>3_200</output>

<result>3_200</result>