Definition: In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
Input: [[44, -30, -9, 44, -10], [50, -18, -43], [7, 49, -6], [-45, -10]]

[-5227200, 38700, -2058, 450]