The distance between two big trees is 120 meters. The garden department plans to plant 14 small trees between the two big trees. The distance between every two trees is equal. How many meters is the distance between the trees?
两棵大树之间相距120米，园林部门计划在两棵大树中间补栽14棵小树，每两棵树的间隔距离相等，树的间隔是多少米？
<gadget id="calculator">14 + 1</gadget>
<output>15</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>