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: [[24, 3, -18, -31], [-39, -41, -7], [5, 46, 46]]

[40176, -11193, 10580]