and B are traveling towards each other at the same speed. It takes 9 seconds for a train to pass by A, and 11 seconds for a train to pass by B. How many times faster than the speed of a train?
甲、乙两人速度相同在铁道边相向而行，一列火车通过甲身边用了9秒，通过乙身边用了11秒，车速是人速的多少倍？
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

<result>10</result>