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.
[[-8, -47], [-34, -27], [5, 34], [-16, 8, 35, -15, -12], [-5, 15, 36, 5], [-8, 39, -44, 6, 22], [19, 8, -45, -12], [-18, 15, 25, 12, -5], [40, 31, -42]]