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.
[[-20, 37, -40, 19, -10], [-10, 17, -48, 21, -20], [19, 15, -14], [44, -30, -40, 4], [45, -8, 12], [35, -5, -20, -28, -6], [-2, 41, -36, -27, 0], [49, -39], [40, -38, 31]]