The number of girls in the sixth grade is the number of boys (4/5), what is the number of boys in the sixth grade
六年级女生人数是男生的(4/5)，男生是六年级人数的多少
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>