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.
[[-74, -65, -99, -180, -101, -175, -66], [53, -38, 68, -109], [-3, -59, 39], [-48, 33, -137], [-35, 5, -130, -3, -164, -91, -38], [-9, -138, 79, -82]]