Wang Qiang deposits 2,000 yuan in the bank, deposits and withdraws in lump sum for two years, with an annual interest rate of 2.7%, how much after-tax interest can Wang Qiang get after maturity?
王强把2000元存入银行，整存整取两年，年利率2.7%，到期后王强可得税后利息多少元？
<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</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">2_000 * 0.027 * 2 * (4/5)</gadget>
<output>86.4</output>

<result>86.4</result>