Xiao Min deposits the 3,000 yuan she earned from her summer job in the bank for a period of 3 years, with an annual interest rate of 4.2%.
小敏将暑期打工获得的3000元钱存入银行，定期3年，年利率4.2%，到期后她一共能获得多少元．
<gadget id="calculator">4.2 / 100</gadget>
<output>0.042</output>

<gadget id="calculator">3_000 * 0.042 * 3</gadget>
<output>378</output>

<gadget id="calculator">378 + 3_000</gadget>
<output>3_378</output>

<result>3_378</result>