Plant trees on both sides of a 120-meter-long road. Both ends must be planted, with a distance of 5 meters. How many trees should be planted in total?
在长120米的马路两边种树，两端都要种，间距5米一棵，一共要种多少棵树？
<gadget id="calculator">120 / 5</gadget>
<output>24</output>

<gadget id="calculator">24 + 1</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>