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.
[[64, 80, -172, 64, -40, -80], [40, -194], [-191, -24, -117, -46], [-158, -61, -24, 14, -67], [-100, -199, 66], [-67, -103, 75, -105, 56, -28, -131]]