Dad bought 200 yuan of national construction bonds, fixed for 3 years, if the annual interest rate is 2.89%, how much interest can he get when it matures? (This bond is exempt from interest tax)
爸爸买了200元国家建设债券，定期3年，如果年利率是2.89%，到期时他可以获得利息多少元？(此债券免缴利息税)
<gadget id="calculator">2.89 / 100</gadget>
<output>0.0289</output>

<gadget id="calculator">200 * 0.0289 * 3</gadget>
<output>17.34</output>

<gadget id="calculator">200 + 17.34</gadget>
<output>217.34</output>

<result>217.34</result>