A section of road is 2400 meters long, and a tree is planted every 10 meters on both sides of the road, both ends are planted. How many trees will be planted in total?
一段公路长2400米，在公路两旁每隔10米栽一棵树，两端都栽．一共要栽多少棵树？
<gadget id="calculator">2_400 / 10</gadget>
<output>240</output>

<gadget id="calculator">240 + 1</gadget>
<output>241</output>

<gadget id="calculator">241 * 2</gadget>
<output>482</output>

<result>482</result>