Teacher Li bought 6,000 yuan of national construction bonds for a period of three years, and the annual interest rate is calculated at 3.78%. After three years, how much yuan can she withdraw in total?
李老师购买6000元国家建设债券，定期三年，每年利率按3.78%计算，三年后，她一共可以取出多少元．
<gadget id="calculator">3.78 / 100</gadget>
<output>0.0378</output>

<gadget id="calculator">6_000 * 0.0378 * 3</gadget>
<output>680.4</output>

<gadget id="calculator">680.4 + 6_000</gadget>
<output>6_680.4</output>

<result>6_680.4</result>