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.
[[-23, -39, 42, -3, 0], [-22, -12, 18], [23, 9, 8, -5], [-29, 30], [29, -47, 22, 36]]