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: [[23, -2, 36, -8, -39], [-6, -32], [-39, 9, -23], [-34, -33, -25, 13, -15], [48, -43], [29, -46, -13, -41], [-41, 16, -24, 42], [-47, -40, 39, 33, 31]]

[-516672, 192, 8073, 5469750, -2064, -711022, 661248, 75006360]