The ratio of male to female students in a certain school is 4:3. Boys account for ((())/(())) of the whole school, how much less girls than boys.
某校男女生人数的比是4：3，男生占全校人数的((())/(()))，女生比男生少多少．
<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>