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: [[30, -23, -28, -21], [3, 25], [-31, -37], [33, -22, 8, 3, -44]]

[-405720, 75, 1147, 766656]