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.
[[-40, -34, -1, 44, 29], [32, 39, 9, -15], [10, -43, -50, -30, 42], [-7, -18, -36, 41, -5], [-43, -17, 36, -48, -50], [-35, 20], [-4, 44, 15], [8, 50], [-4, -37]]