The ratio of boys to girls in grade five is 5:4. How much more boys than girls
五年级男生与女生人数的比为5：4．男生比女生多多少
<gadget id="calculator">5 - 4</gadget>
<output>1</output>

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

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