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.
[[-31, -23, -45], [-1, 46], [-6, 46, 26], [11, 16, -17, 36], [-35, 47], [-50, 16, 38, 12, -39]]