Girls account for 3/5 of the whole school and how many boys account for the whole school.
女生占全校人数的(3/5)，男生占全校人数的多少．
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>