Uncle Zhang bought 2,000 yuan of government bonds with an annual interest rate of 4.1% on October 1 last year. By October 1 next year, he will get the total amount of principal and interest.
张大爷去年10月1日购得年利率是4.1%的国债2000元，到明年10月1日他可得本金和利息共多少元．
<gadget id="calculator">4.1 / 100</gadget>
<output>0.041</output>

<gadget id="calculator">2_000 * 0.041 * 1</gadget>
<output>82</output>

<gadget id="calculator">2_000 + 82</gadget>
<output>2_082</output>

<result>2_082</result>