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: [[24, 7], [-33, 13, 21], [7, 1, -12], [5, 23, -15, -4]]

[168, -9009, -84, 6900]