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.
[[19, -25, -40, 36, -2], [-43, 20, 46, -22, 2], [21, -1], [-34, 13, -2, -4, 6]]