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, -26, 31, 42], [49, -13, 15], [-11, 41, -14, -12, -44], [-46, -26, 6, 36, 20], [33, 49, -47], [-2, 48], [-49, -49], [21, 3, -14, -38]]

[1049412, -9555, 3333792, 5166720, -75999, -96, 2401, 33516]