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: [[39, 44, -31, -5, -38], [-14, -5], [45, -49, 2], [-25, -29, -7, 38], [26, -34], [10, 22], [25, -26, 19, -1], [3, 10, 18, -7]]

[-10107240, 70, -4410, -192850, -884, 220, 12350, -3780]