There are 12 boys and 18 girls in the dance team. The number of boys is the number of girls ((())/(())), the number of girls is how many times that of boys, and the number of girls in the dance team is ((())/(())).
舞蹈队中有男生12人，有女生18人．男生人数是女生的((())/(()))，女生人数是男生的多少倍，女生占舞蹈队人数的((())/(()))．
<gadget id="calculator">12 / 18</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>