The ratio of the number of girls to boys in Class 6 2 is 3:2, the number of boys is the number of the whole class
六2班的女生和男生的人数比是3：2，男生人数是全班人数的多少
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>