Xiaoli's mother deposits 8,000 yuan in the bank with an annual interest rate of 3.50%. After three years, how much yuan should be withdrawn.
小丽的妈妈在银行存入8000元，年利率为3.50%，存满三年后，应取回多少元．
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">8_000 * 0.035 * 3</gadget>
<output>840</output>

<gadget id="calculator">8_000 + 840</gadget>
<output>8_840</output>

<result>8_840</result>