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.
[[27, 48, -18, -1], [-11, -18, 30], [-36, -12, 46, -6], [-13, -2, -9]]