(2/3) of the number of boys in a class is exactly equal to (3/4) of the number of girls, and the number of boys is ((())/(())) of the number of girls.
一个班男生人数的(2/3)正好和女生人数的(3/4)相等，男生人数是女生人数的((())/(()))．
<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>