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.
[[89, -123], [-133, -92, -92, -101, 47], [19, 8, -116, -70], [-97, -36, -123]]