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.
[[-42, -34], [20, 42], [35, -14, -21, 9], [50, -31, 8], [-27, -39, 7, 24], [-22, -5, 46, -13], [-42, -50, -29, -26, 4], [20, -43, -44, 33, -31], [41, 20, -42]]