There are 60 people in the chorus, boys account for 2/5 of the total number, how many girls are there?
合唱队有60人，男生人数占总人数的(2/5)，女生有多少人．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>

<result>36</result>