There are 40 boys participating in the mathematics competition, more than girls (3/5). How many girls participate in the math competition?
参加数学竞赛的男生有40人，比女生多(3/5)．参加数学竞赛的女生有多少人？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">40 / (8/5)</gadget>
<output>25</output>

<result>25</result>