Class five (three) has 28 boys and 25 girls, how many girls account for the whole class.
五(三)班有男生28人，女生25人，女生占全班人数的多少．
<gadget id="calculator">28 + 25</gadget>
<output>53</output>

<gadget id="calculator">25 / 53</gadget>
<output>25/53 = around 0.471698</output>

<result>25/53 = around 0.471698</result>