My mother deposits 2,000 yuan in the bank for Xiaoming to pay tuition fees for two years. If the annual interest rate is calculated at 4.5%, how much interest will I get when it matures?
妈妈为小明存入银行2000元做学费，定期二年，如果年利率按4.5%计算，到期时应得利息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">2_000 * 0.045 * 2</gadget>
<output>180</output>

<result>180</result>