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.
[[3, 29, -19, 28], [-20, 46, -17, 41, -9], [-44, 30], [7, 34, -23, -37], [-20, -11, -48, -12], [35, -19, 3], [-46, 9, 15, 31], [-37, -37, -23, -19], [-15, -11, -38, -13], [20, 21, 13]]