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: [[15, -30, 50], [36, 23, -6, 43, 23], [18, -40, 48], [-6, 29], [-8, 38, 24, -16], [23, 27], [-9, 42, -29, 17], [-18, 34]]

[-22500, -4913352, -34560, -174, 116736, 621, 186354, -612]