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.
[[-22, -113, 66, -190], [-46, -110, -136, -8], [-2, 82, -131, -121], [-175, 27, -167, -178, 61, -20]]