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: [[-18, -14], [4, 38, -23], [-33, -48, -3, 25, 31], [-46, 39], [15, 4, 37, 49, -9], [-48, -6, 47, -3, -15], [42, 8], [16, 49, 48]]

[252, -3496, -3682800, -1794, -979020, 609120, 336, 37632]