A section of road is 56 meters long. Starting from one end, a cedar tree is planted every 4 meters on one side of the road. How many cedar trees can be planted in total?
一段路长56米，从一端开始，在路的一边每隔4米栽一棵雪松，一共可以栽多少棵雪松？
<gadget id="calculator">56 / 4</gadget>
<output>14</output>

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

<result>15</result>