If team A transfers (1/6) people to team B, the number of the two teams will be equal. It turns out that Team B is the number of Team A.
甲队调(1/6)的人给乙队，两队的人数就相等．原来乙队是甲队人数的多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>

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