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: [[-12, -48], [-49, 48, -5], [-41, -8], [-10, 37, 3, 21], [16, -32]]

[576, 11760, 328, -23310, -512]