There are more boys than girls in Class 1 (1/7), and how much fewer girls than boys.
六1班男生人数比女生多(1/7)，女生人数比男生人数少多少．
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">(1/7) / (8/7)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>