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.
[[-42, -12, 16], [-35, -22], [-41, -3], [39, -16, -7], [8, -45, -10], [-15, 12, -50, 21], [-22, -3], [-14, 40, -3, -20]]