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: [[24, -11, 17, 32], [-15, 9, 49], [36, 40], [50, 47]]

[-143616, -6615, 1440, 2350]