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.
[[40, 9], [12, -50, 26], [-4, 12], [-40, 50], [-47, -39], [-44, 26, -48, -47], [-29, -20], [-43, 19], [-43, -1, -37], [-20, -10, 4, 17, -5]]