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.
[[24, -42, 82, 72], [-125, -140, 56], [10, 98, 74, -117, 12, -28], [-98, -76, -65, 57, -70, 15, 25]]