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: [[21, -30, -17, -9, 17], [-16, -20], [-34, 38, -22, -25], [-12, 21, -8, 13], [-21, 1, 3, 23, 30], [-17, -41], [-48, -30, 49, -39, -47], [-18, 27, -43, 9, -24], [7, 15, 42, 50, 9]]

[-1638630, 320, -710600, 26208, -43470, 697, 129336480, -4513968, 1984500]