Shuguang Primary School has 270 girls. There are 60 fewer boys than 1.5 times the number of girls. How many boys are there?
曙光小学有女生270人．男生比女生人数的1.5倍少60人．男生有多少人？
<gadget id="calculator">270 * 1.5</gadget>
<output>405</output>

<gadget id="calculator">405 - 60</gadget>
<output>345</output>

<result>345</result>