A road is 120 meters long, and saplings are planted from the beginning, every 8 meters, how many trees are planted in total?
一条马路长120米，从一头开始种树苗，每隔8米栽一棵，一共栽多少棵树？
<gadget id="calculator">120 / 8</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<result>16</result>