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.
[[-142, -185, -30, 21], [80, -170, 37], [-182, 85, -168, 17, -91, -63, -134], [51, -182, -169, -146, 81, -141], [-181, -2]]