Xiaoli's father bought 10,000 yuan of national construction bonds, fixed for 5 years, and the annual interest rate is 3.81%. How much will he get the principal and interest after the maturity?
小丽的爸爸买了10000元的国家建设债券，定期5年，年利率是3.81%，到期后他可以得到本金和利息一共多少元？
<gadget id="calculator">3.81 / 100</gadget>
<output>0.0381</output>

<gadget id="calculator">10_000 * 0.0381 * 5</gadget>
<output>1_905</output>

<gadget id="calculator">10_000 + 1_905</gadget>
<output>11_905</output>

<result>11_905</result>