Xiaohua's father deposited 8,000 yuan in the bank on January 1, 2009. The lump-sum deposit is withdrawn for 3 years. If the annual interest rate is 2.70%, Xiaohua's father can get back the principal and after-tax interest when it expires. how much.
小华的爸爸于2009年1月1日把8000元钱存入银行，整存整取3年，如果年利率是2.70%，到期时小华的爸爸可以取回本金和税后利息一共多少元．
<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</output>

<gadget id="calculator">8_000 * 0.027 * 3</gadget>
<output>648</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">648 * (4/5)</gadget>
<output>2_592/5 = around 518.4</output>

<gadget id="calculator">8_000 + (2_592/5)</gadget>
<output>42_592/5 = around 8_518.4</output>

<result>42_592/5 = around 8_518.4</result>