cement road is 225 meters long, and a willow tree is planted every 5 meters. Both ends of the road are planted. How many willow trees should be planted on one side of the cement road?
一条水泥路长225米，每隔5米栽一棵柳树，路两端都栽，水泥路一边一共要栽多少棵柳树．
<gadget id="calculator">225 / 5</gadget>
<output>45</output>

<gadget id="calculator">45 + 1</gadget>
<output>46</output>

<result>46</result>