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: [[-39, -2], [31, 17, 50], [14, 11, -10, 43], [39, 21, -2], [18, -10, 22, 0], [-19, 8], [5, -11, -21], [-39, 15, -9, -9, 8]]

[78, 26350, -66220, -1638, 0, -152, 1155, -379080]