There are 48 students in Class 3 and Class 2, including 25 girls, so boys account for ((())/(())) of the total number.
三2班共有学生48人，其中女生有25人，那么男生占总人数的((())/(()))．
<gadget id="calculator">48 - 25</gadget>
<output>23</output>

<gadget id="calculator">23 / 48</gadget>
<output>23/48 = around 0.479167</output>

<result>23/48 = around 0.479167</result>