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: [[-23, 6, 32, 2], [44, 16, -10, -13], [7, 41, -39], [-18, 22, -21, 48, -45]]

[-8832, 91520, -11193, -17962560]