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: [[-12, 29], [10, -50, -9, -22], [-42, 31, -16], [37, -30], [9, 17, -14, 41, -18], [47, 24, -15, -18], [-32, 42, -26, 39], [48, 11, -16], [-15, -36, 39]]

[-348, -99000, 20832, -1110, 1580796, 304560, 1362816, -8448, 21060]