There is a bus route in a certain city with a total length of 15km. The average distance between every two bus stops is 1km. How many bus stops are there from the start point to the end point?
某城市有一条公共汽车行驶路程线全长15km，平均每两个公交车停靠站之间的距离是1km，从起点到终点共设多少个公交车停靠站．
<gadget id="calculator">15 / 1</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<result>16</result>