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: [[-29, -43, 5, -8, 47], [-48, -34, 32], [-16, -2], [15, -41], [-6, 5, -21]]

[-2344360, 52224, 32, -615, 630]