There are 54 students in Class One of the fifth grade, including 25 boys, how many boys account for the whole class.
五年级一班有学生54人，其中有男生25人，男生占全班人数的多少．
<gadget id="calculator">25 / 54</gadget>
<output>25/54 = around 0.462963</output>

<result>25/54 = around 0.462963</result>