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: [[-50, -9], [7, 14], [26, 26], [-10, -47, 17], [46, -7, -49, 29], [-7, -21, 4, 16, 16], [38, 48], [-39, -40]]

[450, 98, 676, 7990, 457562, 150528, 1824, 1560]