There are 25 boys and 13 girls in Class 5 and 5. What percentage of the number of girls is the number of boys?
五5班有男生25人，女生13人，女生人数是男生的几分之几？
<gadget id="calculator">13 / 25</gadget>
<output>13/25 = around 0.52</output>

<result>13/25 = around 0.52</result>