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.
[[-37, -16, -10, 35, 13], [22, -26], [-34, 49, -20], [0, 50, -20, -15, -1], [-49, -44, 12, -15, 13], [48, -16, 48, -1], [-15, 32, 44], [-43, 45], [23, 25, 21, -31, -29]]