Xiao Ming's father bought 3,000 yuan of national construction bonds for a term of 3 years. If the annual interest rate is 3.85%, how much will he get in total for the principal and interest when it matures?
小明的爸爸买了3000元的国家建设债券，定期3年，如果年利率是3.85%，到期时他可以获得本金和利息一共多少元？
<gadget id="calculator">3.85 / 100</gadget>
<output>0.0385</output>

<gadget id="calculator">3_000 * 0.0385 * 3</gadget>
<output>346.5</output>

<gadget id="calculator">3_000 + 346.5</gadget>
<output>3_346.5</output>

<result>3_346.5</result>