Li Ming bought a lottery ticket and won a grand prize of 1 million yuan. According to regulations, he should pay 20% personal income tax. How much yuan can he actually get?
李明买彩票中了100万元大奖，按规定应缴纳20%的个人所得税，他实际可得多少万元钱．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>

<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<result>80</result>