Xiaohong's grandfather bought 1,000 yuan of national construction bonds, fixed for 3 years, with an annual interest rate of 3.14%. After the expiration of this year, he donated all the money to the earthquake-stricken area.
小红的爷爷买了1000元国家建设债券，定期3年，年利率3.14%，今年到期后他把钱全部捐给了地震灾区，小红爷爷连本带利可捐多少元．
<gadget id="calculator">3.14 / 100</gadget>
<output>0.0314</output>

<gadget id="calculator">1_000 * 0.0314 * 3</gadget>
<output>94.2</output>

<gadget id="calculator">1_000 + 94.2</gadget>
<output>1_094.2</output>

<result>1_094.2</result>