Aunt Zhang deposits 2,000 yuan in the bank for three years. If the annual interest rate is 4%, how much interest can she get when it matures?
张阿姨把2000元存入银行，定期三年，如果年利率是4%，那么到期时她可以得到多少利息？
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">2_000 * (1/25) * 3</gadget>
<output>240</output>

<result>240</result>