There are 53 students in Class 51, including 28 girls. What percentage of the class are boys?
五1班有学生53人，其中女生有28人，男生占全班人数的几分之几？
<gadget id="calculator">53 - 28</gadget>
<output>25</output>

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

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