The distance between A and B is 7200 meters. Xiao Zhang starts from A to B. After 10 minutes, Xiao Wang and Xiao Li also start from A to B. After another 15 minutes, Xiao Wang catches up with Xiao Zhang. After Xiao Wang arrives at B, he returns immediately. On the way, Xiao Zhang, Xiao Wang, and Xiao Li meet at the same time. It is known that Xiao Li's speed is faster than Xiao Zhang's (1/3). So how many meters does Xiao Zhang travel per minute?
A、B两地相距7200米，小张从A地出发到B地，10分钟后小王、小李也从A地出发到B地，又过了15分钟小王追上小张．小王到达B地后立即返回，途中小张、小王、小李3人同时相遇．已知小李的速度比小张的速度快(1/3)．那么小张每分钟行多少米？
<result>160</result>