Mom deposits 40,000 yuan in the bank, and the whole deposit is for 3 years, with an annual interest rate of 3.4%. How much money will mother get back from the bank when it expires?
妈妈把4万元钱存入银行，整存争取3年，年利率3.4%，到期时妈妈一共从银行取回多少元钱？
<gadget id="calculator">4 * 10_000</gadget>
<output>40_000</output>

<gadget id="calculator">3.4 / 100</gadget>
<output>0.034</output>

<gadget id="calculator">40_000 * 0.034 * 3</gadget>
<output>4_080</output>

<gadget id="calculator">40_000 + 4_080</gadget>
<output>44_080</output>

<result>44_080</result>