Xiaoqiang bought 6,000 yuan of national construction bonds, fixed for three years, and the annual interest rate is 3.69%.
小强买了6000元的国家建设债券，定期三年，年利率3.69%，到期时可以获得本金和利息一共多少元？
<gadget id="calculator">3.69 / 100</gadget>
<output>0.0369</output>

<gadget id="calculator">6_000 * 0.0369 * 3</gadget>
<output>664.2</output>

<gadget id="calculator">6_000 + 664.2</gadget>
<output>6_664.2</output>

<result>6_664.2</result>