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.
[[-12, -63, -81, -107], [-81, -51, -121, -92, -160], [-96, -143, -180, -12], [-25, 90, -134, 17], [-115, 20], [-106, 16, -177, -111]]