In 2010, Xiao Ming deposited 4,000 yuan in the bank, fixed for half a year, and the annual interest rate for half a year was 2.20%. How much money will the bank give Xiao Ming when it expires?
2010年，小明在银行存入4000元，定期半年，半年的年利率为2.20%，到期时银行一共给小明多少钱？
<gadget id="calculator">2.2 / 100</gadget>
<output>0.022</output>

<gadget id="calculator">4_000 * 0.022 * 0.5</gadget>
<output>44</output>

<gadget id="calculator">4_000 + 44</gadget>
<output>4_044</output>

<result>4_044</result>