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 a tram departs from the tram terminal every how many 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．则电车总站每隔多少分钟开出一辆电车．
<gadget id="calculator">82 * 10</gadget>
<output>820</output>

<gadget id="calculator">60 * 10.25</gadget>
<output>615</output>

<gadget id="calculator">820 - 615</gadget>
<output>205</output>

<gadget id="calculator">10.25 - 10</gadget>
<output>0.25</output>

<gadget id="calculator">205 / 0.25</gadget>
<output>820</output>

<gadget id="calculator">820 + 82</gadget>
<output>902</output>

<gadget id="calculator">10 / 820</gadget>
<output>1/82 = around 0.012195</output>

<gadget id="calculator">902 * (1/82)</gadget>
<output>11</output>

<result>11</result>