A total of 23 trees are planted from one end to the other end of a path. If every two trees are separated by 8 meters, how many meters is the path?
一条小路从一端到另一端一共栽了23棵树．如果每两棵树都间隔8米，这条小路长多少米？
<gadget id="calculator">23 - 1</gadget>
<output>22</output>

<gadget id="calculator">8 * 22</gadget>
<output>176</output>

<result>176</result>