A total of 200 trees are planted on one side of a road from one end to the other (both ends are planted), and the distance between two adjacent trees is 4 meters. How many meters is the total length of this road?
一条公路的一侧从一端到另一端共栽了200棵树(两端都栽)，相邻的两棵树相隔4米，这条公路全长有多少米？
<gadget id="calculator">200 - 1</gadget>
<output>199</output>

<gadget id="calculator">199 * 4</gadget>
<output>796</output>

<result>796</result>