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.
[[-9, -50, 34, 11, 39], [50, 41, -15, -18], [40, -24, 41], [-29, 41], [-2, -48, -38, 36], [17, -10, -38, -29], [23, -30, 40], [33, 35, -38, -12]]