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: [[-8, 47, 42], [-13, -27, -6, -13, -9], [5, 36, 32, 13], [9, -33], [-15, 39, -6, 0], [10, -8, 15, 39], [-38, 44], [-4, -37, 20, 14], [-4, -7, -30, -4, -12]]

[-15792, -246402, 74880, -297, 0, -46800, -1672, 41440, -40320]