If the number of boys in the writing group is 60% of the number of girls, then the number of girls is the number of the whole group.
写作小组的男生人数是女生人数的60%，则女生人数是全组人数的多少．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">1 / (8/5)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>