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.
[[-56, -11], [-194, 66, 10, 81, -115, 68, 47], [-70, 64, -82]]