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.
[[-180, -139], [-107, 77, -152, -33, -83, 11, 94], [-17, 98, 98, -71, -100, -35, -85], [-54, -15, -60, 58, 54, 40, -75]]