The distance between A and B is 100 meters. Da Gang and Xiao Ming set off from A and B at the same time and walk toward each other. After arriving at the two places, they return immediately and continue to walk back and forth between the two places. Da Gang walks 2.6 meters per second, Xiao Ming walks 2.2 meters per second, how many times do they meet in 10 minutes?
甲、乙两地相距100米，大刚和小明两人同时从甲、乙两地出发，相向而行，分别到达两地后立即返回，不断地在两地之间往返行走．大刚每秒行2.6米，小明每秒行2.2米，在10分钟内两人相遇多少次．
<result>14</result>