In a triangular land, trees are planted on three sides. The lengths of the three sides are 156 meters, 186 meters, and 234 meters respectively. The distance between trees is 6 meters. A tree must be planted on each of the three corners. How many trees need to be planted
一块三角地，在三个边上植树，三个边的长度分别为156米、186米、234米，树与树之间的距离均为6米，三个角上都必须栽一棵树，共需植树多少棵
<gadget id="calculator">156 + 186 + 234</gadget>
<output>576</output>

<gadget id="calculator">576 / 6</gadget>
<output>96</output>

<result>96</result>