straight road in Bochi Mountain Park is 200m long and 8m wide. There are 50 willow trees evenly planted on both sides of the road. For example, there is a bench (can seat 3 people) between two adjacent willow trees. How many people can these benches hold in total?
钵池山公园内一条直路长200m、宽8m，道路两边均匀地栽了50棵柳树，如每相邻两棵柳树中间有一张长椅(可坐3人)，这些长椅一共可以坐多少人？
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">24 * 3 * 2</gadget>
<output>144</output>

<result>144</result>