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: [[40, -36, 14, -16], [29, 6, 36], [-10, 4], [14, -37, -11, -4, 47], [-1, -37, -38, -17], [-23, -43], [26, 48, -39], [-8, 4, 37, -37], [47, -49, 16, -18, 50]]

[322560, 6264, -40, -1071224, 23902, 989, -48672, 43808, 33163200]