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.
[[-191, -180], [7, -132], [47, -153, -64, -141, -49, -172], [-32, 85, -168], [-127, -138, -55], [-64, -158]]