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.
[[-87, 25, -148, 12, -175, -46, 63], [74, 91, -14], [-25, -197, -114, -119], [74, 51, -143, -186, -159, -141], [-43, -74, -57, -49, -150], [-29, -124], [3, -116, 72, -128]]