The students want to plant a row of trees on one side of the 150-meter-long road. If a tree is planted every 5 meters, how many trees will be planted in total?
同学们要在长150米的路的一边种一排树，如果每隔5米种一棵树，那么一共要种多少棵树？
<gadget id="calculator">150 / 5</gadget>
<output>30</output>

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

<result>31</result>