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.
[[-29, -48, 31, 40, -47], [-20, -12, 0], [14, 23, 11, 21, 12], [-38, 11], [-22, -4, 7, 14]]