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: [[-15, -8, -33, 39, 42], [5, -1, 24, 44, 23]]

[-6486480, -121440]