Dad deposits 50,000 yuan in the bank with an annual interest rate of 3.50%. How much can dad get back in total after three years?
爸爸把50000元钱存入银行，年利率是3.50%，三年后爸爸一共可取回多少元？
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">5_000 * 0.035 * 3</gadget>
<output>525</output>

<gadget id="calculator">5_000 + 525</gadget>
<output>5_525</output>

<result>5_525</result>