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.
[[-10, -38, -43, 24], [-39, -4, 28, 7, -2], [-23, -40, 21, 20, -16]]