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: [[33, 36, -23], [12, -47, -48, 3], [-44, -16], [-50, -4, -18, 42]]

[-27324, 81216, 704, -151200]