(2/3) of the number of people in class A is equal to (3/4) of the number of people in class B, and the number of people in class A is the number of people in class B.
甲班人数的(2/3)等于乙班人数的(3/4)，甲班人数是乙班的多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) / (2/3)</gadget>
<output>9/8 = around 1.125</output>

<result>9/8 = around 1.125</result>