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: [[21, -8, 19, 26, 50], [14, -38, -34], [-32, 46, -9, 5, 9], [-33, 8, 26, -11, -6]]

[-4149600, 18088, 596160, -453024]