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, -47], [1, 48, 42, -12], [-41, -4], [12, -27, 13, 23], [47, -19, -35, 10, 3], [-5, -23, 49], [10, -20, 36], [-8, -32, 39, 26, 9]]

[-987, -24192, 164, -96876, 937650, 5635, -7200, 2336256]