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.
[[-36, -8, -45, 40], [20, -33, 34], [4, -2, 44, 13], [47, 15, -47], [3, -39, -26], [3, 41, 25], [10, 20], [-49, -20], [18, 21, 37]]