The distance between A and B cities is 720 kilometers. A passenger car and a truck leave from the two places at the same time. After 4 hours, the ratio of the distance traveled by the two cars to the remaining distance is 3:2, and the passenger car travels 60 thousand per hour. m, how many kilometers does the truck travel per hour?
甲乙两城相距720千米，一辆客车和一辆货车同时从两地相对开出，4小时后，两车共行驶的路程与剩下路程的比是3：2，客车每小时行60千米，货车每小时行多少千米？
<result>58</result>