Xiaofen's mother bought 5,000 yuan of national debt, fixed for three years, with an annual interest rate of 3.92%. When it matures, she can get back the total amount of principal and interest. (National debt does not pay taxes)
小芬的妈妈买了5000元国债，定期三年，年利率为3.92%，到期时，她可以取回本金和利息共多少元．(国债不交税)
<gadget id="calculator">3.92 / 100</gadget>
<output>0.0392</output>

<gadget id="calculator">5_000 * 0.0392 * 3</gadget>
<output>588</output>

<gadget id="calculator">5_000 + 588</gadget>
<output>5_588</output>

<result>5_588</result>