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: [[-6, 14, 37, -2], [37, 26, 5, 50], [-30, -21, 28, -9], [39, -50, -31], [-41, 19, 31, 37], [-43, 2], [0, 27, 50], [-4, -35, 9], [-28, 16, -29]]

[6216, 240500, -158760, 60450, -893513, -86, 0, 1260, 12992]