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, 3, -47, 45, -22], [15, 12], [-15, -1, 36, -8], [25, -35, -48, 47, 20], [43, -39]]