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.
[[-13, -4, -35, -33], [-6, -29, 20, 42], [-38, 36, -18], [-25, 34, -48, -41], [-25, -1, -25, -38, 7], [26, 15, -18, 25, 31]]