In Sheyang Island Scenic Area, a total of 256 camphor trees are planted on both sides of the road leading to the island in the center of the lake (both ends are planted), and the average distance between every two trees is 6.4 meters. How many meters is this road?
射阳岛风景区在通向湖心的岛的大路两旁边共植香樟树256棵(两端都植)，平均每两棵树之间的距离是6.4米．这条路长多少米？
<gadget id="calculator">256 / 2</gadget>
<output>128</output>

<gadget id="calculator">128 - 1</gadget>
<output>127</output>

<gadget id="calculator">127 * 6.4</gadget>
<output>812.8</output>

<result>812.8</result>