There are 260 female workers in a certain factory, and the number of female workers is 40 less than three times the number of male workers. How many male workers are there in this factory? (solution by equation)
某厂有女工260人，其中女工人数比男工人数的3倍少40人，这个厂男工有多少人？(用方程解)
<gadget id="calculator">260 + 40</gadget>
<output>300</output>

<gadget id="calculator">300 / 3</gadget>
<output>100</output>

<result>100</result>