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.
[[80, -131, -40], [-175, -186, -90, -17, 53], [53, -200, -53, -2, -150], [6, -13, -176]]