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: [[8, -30, -47, 34], [-38, -38], [7, -2, -49, -8]]

[383520, 1444, -5488]