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.
[[-21, 5, -14, -16], [-34, -25, 8, -25, -46], [7, -44, 10, -17, 46], [36, 23, -49, 4, -35]]