There are 20% more boys than girls, and the number of boys is equal to the number of girls.
男生比女生人数多20%，男生人数是女生人数的多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>