The ratio of males to females in a school is 4:3.5, males account for ((())/(())), how much fewer females than males.
某校男、女生人数的比是4：3.5，男生占全校人数的((())/(()))，女生比男生少多少．
<gadget id="calculator">8 - 7</gadget>
<output>1</output>

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

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