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.
[[15, 8, -9], [-4, -48], [-42, 17, -24, -3], [29, -15, 11, -30], [7, 0], [-19, -43, 22], [-42, 9, 33, 4], [5, -14, -45, -44, 36], [15, -14, 23, -16, 50]]