Workers planted trees on one side of a road, with a distance of 16 meters between every two trees. A total of 187 trees were planted. How long is this road in meters?
工人在一条公路的一边种树，每两棵树之间相隔16米，一共种了187棵树，这条公路长多少米？
<gadget id="calculator">187 - 1</gadget>
<output>186</output>

<gadget id="calculator">186 * 16</gadget>
<output>2_976</output>

<result>2_976</result>