Xiao Li's mother deposits 5,000 yuan in the bank, calculated at an annual interest rate of 5.40%, how much is the interest after depositing for three years.
小李的妈妈在银行存入5000元钱，按年利率5.40%计算，存满三年后，利息多少元．
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">5_000 * 0.054 * 3</gadget>
<output>810</output>

<result>810</result>