There are 25 boys in Class 1, 5 more than girls, by what percentage?
六1班有男生25人，比女生多5人，多百分之几？
<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>