There are 80 boys participating in the New Year's Day performance, and the number of boys is 4 less than that of girls (2/5). How many girls are there?
在元旦汇演中有80名男生参加，男生的人数比女生的(2/5)少4人，女生有多少人？
<gadget id="calculator">80 + 4</gadget>
<output>84</output>

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

<gadget id="calculator">84 / (2/5)</gadget>
<output>210</output>

<result>210</result>