There is a triangular land, the three sides are 120 meters, 150 meters, and 80 meters respectively, and a tree is planted every 10 meters. How many trees are planted on the three sides?
有一块三角形地，三条边分别为120米、150米、80米，每10米种一棵树，三条边上共种树多少棵．
<gadget id="calculator">120 + 150 + 80</gadget>
<output>350</output>

<gadget id="calculator">350 / 10</gadget>
<output>35</output>

<result>35</result>