Xiaohua's father bought 2,000 yuan of government bonds, fixed for five years, with an annual interest rate of 3.81%, and the total amount of principal and interest can be obtained when it matures.
小华的爸爸买了2000元国债，定期五年，年利率为3.81%，到期时可以获得本金和利息一共多少元．
<gadget id="calculator">3.81 / 100</gadget>
<output>0.0381</output>

<gadget id="calculator">2_000 * 0.0381 * 5</gadget>
<output>381</output>

<gadget id="calculator">2_000 + 381</gadget>
<output>2_381</output>

<result>2_381</result>