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: [[47, 20, -40], [24, -22, -20, -20, -16], [-3, 34], [-44, -31], [12, 21, 24]]

[-37600, 3379200, -102, 1364, 6048]