Plant trees on one side of a 70-meter-long path, and plant one tree every 5 meters (both ends are planted). How many trees can there be in total?
在一条长70米的小路一侧栽树，每隔5米栽一棵(两端都是栽)，一共可以多少棵树．
<gadget id="calculator">70 / 5</gadget>
<output>14</output>

<gadget id="calculator">14 + 1</gadget>
<output>15</output>

<result>15</result>