Xiao Ming deposits 500 yuan in the bank with a fixed term of 2 years. It is known that the annual interest rate of the two-year fixed term in the bank is 3.06%, and 20% interest tax will be paid when it matures.
小明将500元存入银行，有2年定期，已知银行两年定期的年利率为3.06%，到期需支付20%的利息税，则到期时小明取出本利和多少元．
<gadget id="calculator">3.06 / 100</gadget>
<output>0.0306</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">500 * 0.0306 * 2 * (4/5)</gadget>
<output>24.48</output>

<gadget id="calculator">500 + 24.48</gadget>
<output>524.48</output>

<result>524.48</result>