Plant trees on the side of a 240-meter-long road, plant one tree every 8 meters, and plant at both ends. How many trees are planted in total?
在一条长240米的马路边植树，每隔8米植一棵，两端都植，共植树多少棵？
<gadget id="calculator">240 / 8</gadget>
<output>30</output>

<gadget id="calculator">30 + 1</gadget>
<output>31</output>

<result>31</result>