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: [[5, 49, 3, 21], [-6, 15, -47, 49], [-33, 7], [-44, -29, -49], [46, 21, 3, -25], [-47, -34, -20, 50], [-45, 32], [41, 45, -11, -35, 20], [9, 34, -45], [-8, 35, 40, -11]]

[15435, 207270, -231, -62524, -72450, -1598000, -1440, 14206500, -13770, 123200]