There are 25 boys in class 1 and 20 girls; how much more boys than girls
六1班男生有25人，女生有20人；男生比女生多多少
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

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

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