Mom deposits 5,000 yuan in the bank on May 1 this year, for 2 years, with an annual interest rate of 2.25%. How much will she get back from the bank when it expires? (The tax rate on interest is 20%)
妈妈今年5月1日存入银行5000元钱，定期2年，年利率是2.25%，到期时，她从银行取回多少钱？(利息的税率是20%)
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5_000 * 0.0225 * 2 * (4/5)</gadget>
<output>180</output>

<gadget id="calculator">5_000 + 180</gadget>
<output>5_180</output>

<result>5_180</result>