Grandpa Wang deposits 10,000 yuan in the bank for three years, if the annual interest rate is calculated at 5%, how much yuan can Grandpa Wang get back when it expires? (interest tax free)
王爷爷将1万元存入银行，整存整取存三年，如果年利率按5%计算，到期时，王爷爷可以取回多少元钱？(免利息税)
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10_000 * (1/20) * 3</gadget>
<output>1_500</output>

<gadget id="calculator">10_000 + 1_500</gadget>
<output>11_500</output>

<result>11_500</result>