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: [[-9, 10], [14, 40, 3, 48, -29], [49, 23], [-6, 44, 31], [-40, 6, -6, -25, 40], [-49, -15, -46], [13, -45, -19, 9], [-16, -35, -24, -15, 49]]

[-90, -2338560, 1127, -8184, -1440000, -33810, 100035, 9878400]