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.
[[14, -100, -47, -86, -115, -78], [-85, -11, -121, -108, -166, -181], [61, 82, -197, -113], [-70, 13, -87]]