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, 30, 6, 45, 40], [-43, -35, -28], [25, 14, -11, -1, 7], [-10, -48, 23, 4, 33], [1, -5], [-45, -21, -18, 7], [25, 32], [-19, -31, 4, -8, -3]]

[10044000, -42140, 26950, 1457280, -5, -119070, 800, 56544]