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.
[[-8, 45, -1], [-31, 40, 33, 30], [-20, -6, 45], [6, 4, 7, 47, 50], [9, -48, -15, -7], [23, 2, -29, 19]]