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: [[7, 9, 11, -23], [-4, -7, 50, -14], [27, 3, 38, -44], [-29, -21, -49, 9, 31], [-6, -37, 3], [-47, -48, -40], [-29, -41, 1, 50], [-36, 7, 8, 15]]

[-15939, -19600, -135432, -8325639, 666, -90240, 59450, -30240]