Teacher Chen buys 5,000 yuan of national debt (the interest on the national debt is not taxed), fixed for 3 years, with an annual interest rate of 2.89%, how much yuan can he get in total by then.
陈老师买5000元国债(国债利息不纳税)，定期3年，年利率为2.89%，到时候他可以获得本金和利息共多少元．
<gadget id="calculator">2.89 / 100</gadget>
<output>0.0289</output>

<gadget id="calculator">5_000 * 0.0289 * 3</gadget>
<output>433.5</output>

<gadget id="calculator">5_000 + 433.5</gadget>
<output>5_433.5</output>

<result>5_433.5</result>