There are 28 boys and 20 girls in Class 1 of Experimental Primary School. The number of girls is equal to the number of boys
实验小学六1班有男生28人，女生20人，女生人数是男生人数的多少
<gadget id="calculator">20 / 28</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>