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.
[[3, -19, -2], [42, 5, -26, -18], [-44, -30, -29], [-22, 21, 21, 24]]