A total of 52 students in the fourth grade participated in tree planting. Boys planted 3 trees each, and girls planted 2 trees. It is known that boys have 36 more trees than girls. How many boys are there?
四年级共有52位同学参加植树，男生为每人种3棵，女生每人种2棵，已知男生比女生多种36棵，有多少名男生？
<gadget id="calculator">104 + 36</gadget>
<output>140</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">140 / 5</gadget>
<output>28</output>

<result>28</result>