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.
[[70, 15, -181, 81], [-103, -38, -177], [-11, -4, 19, 21, -97, 64]]