Mr. Wang bought 2,000 yuan of national construction bonds, fixed for 3 years, and the annual interest rate is 7.11%. How much is the total principal and interest he will get when it matures?
王老师买了2000元的国家建设债券，定期3年，年利率是7.11%，到期时他获得的本息一共多少元．
<gadget id="calculator">7.11 / 100</gadget>
<output>0.0711</output>

<gadget id="calculator">2_000 * 0.0711 * 3</gadget>
<output>426.6</output>

<gadget id="calculator">426.6 + 2_000</gadget>
<output>2_426.6</output>

<result>2_426.6</result>