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.
[[-28, 44, -6, 19], [1, 9, 14, 33, -11], [-50, 46, -22, -49]]