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: [[-13, 28, 46, -20, -21], [28, -6, 26], [-38, -49, 17, 12], [21, 19], [10, -40, -14, 7], [0, -22], [-50, -22], [38, 22, 21, 48]]

[-7032480, -4368, 379848, 399, 39200, 0, 1100, 842688]