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.
[[-50, 24, 35, -1, -18], [-31, -27, -40, 18], [19, -44, -49], [6, -9, 17, -30], [-6, -8], [-37, -27, 30, -41, 18]]