If (1/5) of the number of people in team A is transferred to team B, after the two teams have the same number of people, how much more people in team A than in team B?
把甲队人数的(1/5)调入乙队后两队人数相等，原来甲队人数比乙队多多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5) - (1/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / (3/5)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>