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.
[[28, -38], [21, -36, -31, 16, 41], [41, -34, 46, 37, -16], [40, -24, -44]]