On one side of an 80-meter-long road, plant a camphor tree every 5 meters from the beginning to the end. How many trees can be planted in total?
在一条80米长的路的一边，从头到尾每隔5米栽一棵樟树．一共可以栽多少棵？
<gadget id="calculator">80 / 5</gadget>
<output>16</output>

<gadget id="calculator">16 + 1</gadget>
<output>17</output>

<result>17</result>