Mr. Li has deposited 4,000 yuan in the bank with a deposit period of 3 years and an annual interest rate of 2.7%. How much interest will he actually get when he withdraws money at maturity? (Interest tax 20%)
李老师在银行里存了4000元钱，存期3年，年利率2.7%，到期取款时，他实际得到利息多少元？(利息税20%)
<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">4_000 * 0.027 * 3 * (4/5)</gadget>
<output>259.2</output>

<result>259.2</result>