Xiao Ming and Xiao Hong are playing shuttlecock kicking together. Xiaohong said to Xiaoming: "I kicked 100, you are less than me (1/5)" Do you know how many kicks Xiaoming has?
小明和小红一起玩踢毽子游戏．小红对小明说："我踢了100个，你比我少(1/5)"你知道小明踢了多少个吗？
<gadget id="calculator">1 / 5</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">100 * (4/5)</gadget>
<output>80</output>

<result>80</result>