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.
[[10, -31, -26, -4], [8, -35, 21, 15, 33], [-37, 31, 30], [-14, -2, 41, 8, 12], [19, -27, 13, 3], [9, 29], [-37, 34, -50, 0], [-19, 42, 43]]