On September 1, 2006, Wang Ping's father deposited 20,000 yuan in the bank for a fixed period of one year, with an annual interest rate of 2.52%. If the interest tax is paid at 20%, how much interest tax should be paid after maturity?
2006年9月1日，王平爸爸在银行存了20000元钱，定期一年，年利率是2.52%，如果按照20%缴纳利息税，到期后应缴纳利息税多少元？
<gadget id="calculator">2.52 / 100</gadget>
<output>0.0252</output>

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

<gadget id="calculator">20_000 * 0.0252 * 1 * (1/5)</gadget>
<output>100.8</output>

<result>100.8</result>