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.
[[47, 32, 7], [-39, 26, -41], [39, -10, -49, -16], [-9, 50], [25, -22, -42, 16, -10], [43, -41, -2, 40, 9], [-32, -34, -38, -12], [21, -31, 17]]