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.
[[-1, -14], [-31, -44, 50, 45, 31], [9, -17, 4, 16, 2], [21, 29, 30, 42, 19], [42, -24, 35], [25, 4, 9], [9, 13]]