After transferring (1/8) from class A to class B, the number of people in the two classes is equal, and the original number of people in class B is that of class A ((())/(())).
从甲班调(1/8)到乙班后，两班的人数就相等，原来乙班人数是甲班的((())/(()))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8) - (1/8)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>