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: [[31, 22, -25, -14, -7], [47, 19, 2, -46, 14], [-33, -28, 29], [12, -28, -27], [48, -39, 41, -33]]

[-1670900, -1150184, 26796, 9072, 2532816]