There is a road 900 meters long, and one pole is planted every 10 meters from the beginning to the end on one side of the road. How many poles can be planted?
有一条公路长900米，在公路的一侧从头到尾每隔10米栽一根电线杆，可栽多少根电线杆？
<gadget id="calculator">900 / 10</gadget>
<output>90</output>

<gadget id="calculator">90 + 1</gadget>
<output>91</output>

<result>91</result>