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.
[[-127, -91, -172, -107, 7], [-72, 6, -142, -24], [44, -136], [-180, 15, -108, 5]]