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.
[[-31, -44], [-40, -27, 26, -18, 5], [-45, -39, 49, -41, -38], [-25, 17, -38], [6, 8, -12], [-27, 23, -11, -50, 30], [-22, -40, -15], [-28, -40, -47]]