There are 240 boys in a certain school, which is less than girls (1/5). How many students are there in this school?
某校有男生240人，比女生少(1/5)，这个学校共有学生多少人．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">240 / (4/5)</gadget>
<output>300</output>

<gadget id="calculator">300 + 240</gadget>
<output>540</output>

<result>540</result>