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.
[[-81, -170, -61, 23], [-64, -189], [-67, 89, 17, 66], [-126, -23, -171, -180, 48], [-167, -114], [28, -11, -77, -105], [7, 44, -37], [-53, -178]]