There are 240 girls in a certain elementary school, and 18 boys are 1.2 times less than girls. How many students are there in the whole school?
某小学有女生240人，男生比女生的1.2倍少18人，全校共有学生多少人？
<gadget id="calculator">240 * 1.2</gadget>
<output>288</output>

<gadget id="calculator">288 - 18</gadget>
<output>270</output>

<gadget id="calculator">240 + 270</gadget>
<output>510</output>

<result>510</result>