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.
[[-43, -167, -147, -84, -86, -157, -115], [81, -161, -60, -107, -173, 13, 64]]