There are some big trees on both sides of the road, 15 trees on each side, and the distance between every two trees is 11 meters. How many meters is this road?
公路两旁有一些大树，每边15棵，每两棵之间相隔11米．这条路有多少米？
<gadget id="calculator">15 - 1</gadget>
<output>14</output>

<gadget id="calculator">14 * 11</gadget>
<output>154</output>

<result>154</result>