Xiaoyu's father bought 2,000 yuan of national debt, fixed for five years, with an annual interest rate of 2.88%, and how much yuan can he get in principal and interest when it matures.
小宇的爸爸买了2000元的国债，定期五年，年利率为2.88%，到期时可以获得本金和利息一共多少元．
<gadget id="calculator">2.88 / 100</gadget>
<output>0.0288</output>

<gadget id="calculator">2_000 * 0.0288 * 5</gadget>
<output>288</output>

<gadget id="calculator">2_000 + 288</gadget>
<output>2_288</output>

<result>2_288</result>