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: [[0, -42, 29], [-16, -44, -19, 6], [-44, -31, 10, 38, -28], [-8, 22, -32, -9, -16], [33, 40, 31]]

[0, -80256, -14512960, 811008, 40920]