1402 trees are planted on both sides of a road at a distance of 8 meters. If both ends are planted, how long is the road in meters?
在一段公路的两边按树间距8米栽树1402棵，如果两端都栽，这条公路长多少米．
<gadget id="calculator">1_402 / 2</gadget>
<output>701</output>

<gadget id="calculator">701 - 1</gadget>
<output>700</output>

<gadget id="calculator">8 * 700</gadget>
<output>5_600</output>

<result>5_600</result>