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.
[[-158, 91, -139, -109, 35, -56, -198], [20, 24], [-89, 47, -79, 25, 47], [-103, -124], [-64, -186, 88], [-181, -183, -6, 52, 58, -107]]