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.
[[64, -49, -147], [-128, -101, -27], [-61, -51, 52, -115, 98, -72]]