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: [[17, 18, -12, 17], [46, -36], [-24, 39, 37], [9, 19]]

[-62424, -1656, -34632, 171]