In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-146, -125, -47, 21, -172, -199], [-1, -80, -101, 15], [-49, 20, 3], [-169, 74, 13], [16, 11, -162, 51, -198, -28]]