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: [[-31, 19], [46, 6], [7, -43], [17, -9, -45], [-50, 0, 16], [41, 42, 50], [-1, -1, -45, 5], [-29, 25, -20, 45], [-38, 42, -14], [23, -36, 4]]

[-589, 276, -301, 6885, 0, 86100, -225, 652500, 22344, -3312]