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.
[[10, 43, -31, -16, 34], [3, 32, -14], [36, 12], [-44, -34, 34, 21]]