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: [[12, -7, -23, -9], [-30, 24, 24], [30, -13], [-50, -30, -25, -15], [26, 28, 29, 36], [-9, -4, -29, -50], [18, 36, -32], [20, 44]]

[-17388, -17280, -390, 562500, 760032, 52200, -20736, 880]