The annual interest rate of the three-year bank deposit is 2.7%, and the personal income tax is 20% when it matures. Xiao Li deposits 30,000 yuan, how much yuan can he get with the principal and interest after maturity.
银行存款定期三年的年利率为2.7%，到期的个人所得税为20%，小李存入3万元，到期后本息共可以拿到多少元．
<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</output>

<gadget id="calculator">30_000 * 0.027 * 3</gadget>
<output>2_430</output>

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

<gadget id="calculator">2_430 * (1/5)</gadget>
<output>486</output>

<gadget id="calculator">2_430 - 486</gadget>
<output>1_944</output>

<gadget id="calculator">1_944 + 30_000</gadget>
<output>31_944</output>

<result>31_944</result>