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.
[[13, -88, -158, -23, -13, 32], [-125, -174], [-114, -42], [-13, -146]]