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.
[[-49, -44, -42, 19], [11, 29, -38, -36, -42], [9, -9, -43, 34, -8], [20, 11, 44, -37], [22, 32], [27, -33, 29, 2, 8], [9, 46], [42, -16, -5, -34, 31], [-30, 33, -30, 41], [-40, 50, 31]]