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.
[[-15, -46, 23, 48], [15, 19, 45, -31, -13], [-15, -6, -11], [3, 18, 19, -7], [-41, 20]]