The number of A is less than the number of B (3/8), then after increasing the number of A, the result is equal to the number of B.
甲数比乙数少(3/8)，那么甲数增加多少后，结果和乙数相等．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(3/8) / (5/8)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>