Teacher Zhao bought 1,500 yuan of national construction bonds, fixed for three years. If the annual interest rate is 3.14%, what is the total amount of principal and interest that she can get at maturity?
赵老师买了1500元钱的国家建设债券，定期三年．如果年利率是3.14%，到期时，她可以得到本金和利息共多少元？
<gadget id="calculator">3.14 / 100</gadget>
<output>0.0314</output>

<gadget id="calculator">1_500 * 0.0314 * 3</gadget>
<output>141.3</output>

<gadget id="calculator">1_500 + 141.3</gadget>
<output>1_641.3</output>

<result>1_641.3</result>