In the 110-meter hurdles event of a track and field competition, 10 hurdles should be arranged on the runway. If it takes 14 meters to run from the starting line to the first hurdle, the distance between the last hurdle and the finish line is 15 meters. Do you know how much is the distance between every two adjacent hurdles?
在田径比赛110米栏项目中，跑道上要安排10个栏架，如果从起跑线到第一个栏架要跑14米，最后一个栏架与终点相距15米．你知道，每相邻两个栏架间隔多少吗？
<gadget id="calculator">110 - 14 - 15</gadget>
<output>81</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">81 / 9</gadget>
<output>9</output>

<result>9</result>