There are 180 girls in the sixth grade of Guangming Primary School, which is 1.2 times the number of boys. How many boys are there? (column equation solution)
光明小学六年级有女生180人，是男生人数的1.2倍，男生有多少人？(列方程解答)
<gadget id="calculator">180 / 1.2</gadget>
<output>150</output>

<result>150</result>