Wang Gang deposits RMB 10,000 in the bank for 3 years with an annual interest rate of 2.5%. 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2.5%．到期时，王钢应得本金和利息一共多少元？
<gadget id="calculator">2.5 / 100</gadget>
<output>0.025</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">10_000 * 0.025 * 3 * (4/5)</gadget>
<output>600</output>

<gadget id="calculator">600 + 10_000</gadget>
<output>10_600</output>

<result>10_600</result>