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.
[[-15, -54, -102, 86, 30, -114], [37, -54, -51, -149], [67, 32, -45], [-186, -90, -16], [-96, 61], [-108, -55, -63, 98]]