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: [[31, 23, 4, -32], [28, 16], [11, -17, 48], [26, 32, -10, -8], [-32, 3, 5, 39, 30], [21, -11, 31, 37], [-3, -36, 18, 20, -48], [5, -42, -50], [-31, -43]]

[-91264, 448, -8976, 66560, -561600, -264957, -1866240, 10500, 1333]