There is a 50-meter road in the school. It is planned to plant trees on one side of the road, one tree every 2 meters. If one tree is planted at each end, how many trees are needed in total?
学校有一条50米的道路，计划在路一边栽树，每隔2米栽一棵，如果两端都各栽一棵树，共需多少棵．
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">25 + 1</gadget>
<output>26</output>

<result>26</result>