In May 2016, Mingming’s family had an income of 9,000 yuan, and deposited 40% of the income in the bank for two years on a regular basis with an annual interest rate of 2.25%. How much can I get back after maturity?
2016年5月，明明家收入9000元，把收入的40%存入银行，定期两年，年利率为2.25%．到期后能取回多少元？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">9_000 * (2/5)</gadget>
<output>3_600</output>

<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">9_000 * (2/5) * 0.0225 * 2</gadget>
<output>162</output>

<gadget id="calculator">3_600 + 162</gadget>
<output>3_762</output>

<result>3_762</result>