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.
[[31, 20, 28, 7], [-32, -3, 13], [-12, 50, -1], [4, 0], [-30, 8], [15, 10, -24, 39, 46], [-37, -3, -20, -22, -8], [-41, -30], [-18, 7, -40, 24]]