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.
[[-2, -145, 68, -39, 90, -120], [25, -188, -116, 3, 0, 64], [-103, -140, -194, -122]]