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.
[[-6, 22, -45, 12, -11], [-40, 37, 49, -48], [-14, -7], [-6, 34], [12, -15]]