Master Wang deposits 5,000 yuan in the bank for a period of 3 years, calculated at an annual interest rate of 3.1%, and calculates the sum of principal and interest after maturity.
王师傅将5000元钱存入银行，定期3年，按年利率3.1%计算，求到期后的本利和．
<gadget id="calculator">3.1 / 100</gadget>
<output>0.031</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">5_000 * 0.031 * 3 * (4/5)</gadget>
<output>372</output>

<gadget id="calculator">372 + 5_000</gadget>
<output>5_372</output>

<result>5_372</result>