Wang Gang deposits RMB 10,000 in the bank for 3 years with an annual interest rate of 5%. How much is the total amount of principal and interest due to Wang Gang?
王钢把10000元人民币存入银行，定期3年，年利率是5%．到期时，王钢应得本金和利息一共多少元？
<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>