Wang Gang bought 1,800 yuan of national construction bonds with a fixed term of three years. If the annual interest rate is 2.89%, what is the total amount of principal and interest he can get when it matures.
王刚买了1800元的国家建设债券，定期三年，如果年利率是2.89%，到期时他可以获得本金和利息一共多少元．
<gadget id="calculator">2.89 / 100</gadget>
<output>0.0289</output>

<gadget id="calculator">1_800 * 0.0289 * 3</gadget>
<output>156.06</output>

<gadget id="calculator">1_800 + 156.06</gadget>
<output>1_956.06</output>

<result>1_956.06</result>