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.
[[4, -178, 85, -111, -113, -67], [-141, -113, -80, -35], [-40, 25, 67, -30, -159, -84], [-173, -133, -168]]