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.
[[5, -28, 4, 29, -9], [6, -38, 3], [23, 8, 48, 50], [-32, 38, -48, 47, -20], [-24, 32], [-43, -45, 34, -21]]