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.
[[-9, -36, -4], [-14, 33, -20], [40, -3], [29, -35, -31], [-2, -24, 15, -1, 2], [-36, 47], [16, -10, 33, 37], [21, 46, 15, -39, 21]]