There are 52 students in Class 4, including 24 girls, how many boys account for the whole class.
四1班共有学生52人，其中女生24人，男生占全班人数的多少．
<gadget id="calculator">52 - 24</gadget>
<output>28</output>

<gadget id="calculator">28 / 52</gadget>
<output>7/13 = around 0.538462</output>

<result>7/13 = around 0.538462</result>