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: [[12, 3, -35, -32], [-41, 22, -21, -13], [39, 46, 46, -6], [-35, 9, 7, -5, -23]]

[40320, -246246, -495144, -253575]