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.
[[-14, 0, 2, -42], [-18, -42], [-15, 24, -10], [13, 14, 37, 49, -16], [-47, -36, 40, 32, -9], [-48, -42, 47], [33, 37, -4, 40], [-5, 8, 41, -33], [7, 0, 12, -49]]