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.
[[-16, -15, 13], [25, 50, -33], [11, -2, 26], [14, 21, -18], [-1, 12, 42, 19, 7], [12, 1, -18, 11]]