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: [[31, 21], [32, 16, 49, 33, -47], [35, 19, -45, 23, -27], [-6, 22]]

[651, -38911488, 18583425, -132]