Definition: 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.
Input: [[21, -28, 17, 46], [33, -8], [-36, -45, 32], [-25, -6, -19, 10], [37, -16, 25, -11], [-36, 38, 23, 8, 40], [25, -14], [-50, -26, 41, -21, -15], [29, 46, 29]]

[-459816, -264, 51840, -28500, 162800, -10068480, -350, 16789500, 38686]