Team A has 120 people, Team B is less than Team A (1/5), how much less people than Team A.
甲队有120人，乙队比甲队少(1/5)，乙队比甲队少多少人．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 * (1/5)</gadget>
<output>24</output>

<result>24</result>