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.
[[44, 27, 39, 47], [-6, -50, -20, -16, 3], [20, 5, -9, 17, -1]]