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, 14, -45, 1], [-20, 9, 45, 44, 28], [31, -41, 13, -40, -14], [-20, -34, 7, -30], [35, -41, 48, 7, -14], [2, -23], [6, -34, 21, -5]]

[-7560, -9979200, -9252880, -142800, 6750240, -46, 21420]