There are 30 boys in a class of grade six, the number of boys is (3/2) the number of girls, how many people are there in the whole class?
六年级某班有男生30人，男生人数是女生人数的(3/2)，全班共有多少人．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">30 / (3/2)</gadget>
<output>20</output>

<gadget id="calculator">20 + 30</gadget>
<output>50</output>

<result>50</result>