A tram departs from the tram terminal at regular intervals. A and B walk in the same direction on the same street. A walks 82 meters per minute and meets an oncoming tram every 10 minutes; B walks 60 meters per minute and meets an oncoming tram every 10 minutes and 15 seconds. Get on an oncoming tram. Then the tram terminal leaves a tram every few minutes?
从电车总站每隔一定时间开出一辆电车．甲和乙两人在一条街上沿着同一方向步行，甲每分钟步行82米，每隔10分钟遇上一辆迎面开来的电车；乙每分钟步行60米，每隔10分15秒遇上迎面开来的一辆电车．则电车总站每隔几分钟开出一辆电车？
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<result>11</result>