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: [[-1, 13, 3, 2], [-6, 30], [41, -39, 39, 6, 28], [-3, 20, -43, 22]]

[-78, -180, -10476648, 56760]