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: [[-28, 46, -10, -32, -11], [-3, -41, 31, -5], [39, -38, -18, 11, -39], [9, 8]]

[4533760, -19065, -11444004, 72]