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: [[40, -1, 31, -8, 48], [-12, 15, -32, 34], [41, -36, -8], [-22, 15, 34], [-10, -35, -1, 31, 20], [30, 44, -37], [-21, -30]]

[476160, 195840, 11808, -11220, -217000, -48840, 630]