There is a triangular land, the length of the three sides is 120 meters, and a tree is planted every 10 meters. How many trees are there on the three sides?
有一块三角形地，三条边长度都是120米，每10米种一棵树，三条边上共重了多少棵树？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">120 * (3/10)</gadget>
<output>36</output>

<result>36</result>