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.
[[-11, -21, 35], [32, -22, -17, 42, 29], [-23, 8, -16, 0], [21, -19, -11], [38, 32], [6, -25, 31, 3, 21], [-38, -30, 26, -44, -48], [41, 2, 28, -47], [42, 6, -21]]