Xiaoli deposits 2,000 yuan in the bank with a monthly interest rate of 0.11%. The deposit period is two years. She needs to pay 20% interest tax when it matures. Find out how much after-tax interest Xiaoli can get after the maturity date.
小丽将2000元存入银行，月利率是0.11%，存期二年，到期需支付20%的利息税，求到期后小丽可拿到税后利息多少元．
<gadget id="calculator">0.11 / 100</gadget>
<output>0.0011</output>

<gadget id="calculator">2_000 * 0.0011 * 24</gadget>
<output>52.8</output>

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

<gadget id="calculator">52.8 * (1/5)</gadget>
<output>10.56</output>

<gadget id="calculator">52.8 - 10.56</gadget>
<output>42.24</output>

<result>42.24</result>