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, 47, -8, 47, 48], [17, -48, 3, -33, -10], [-46, 20, 40]]