A class has 25 girls and 20 boys. The number of boys is the number of girls.
某班有女生25人，男生20人．男生人数是女生的多少．
<gadget id="calculator">20 / 25</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>