A road is 480 meters long, and a tree is planted every 6 meters on one side of the road, and both ends are planted. How many trees are planted in total?
一条马路长480米，在路的一旁每隔6米种一棵树，两端都种，共种多少棵树？
<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<gadget id="calculator">80 + 1</gadget>
<output>81</output>

<result>81</result>