The number of boys in a class is more than girls (1/5), and the number of girls is less than boys.
一班男生的人数比女生多(1/5)，女生人数比男生少多少．
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>