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.
[[-18, -30], [-42, -5], [-42, -35, -22, 28], [-21, -25], [22, 50, -40], [35, 27], [39, -24, 18, -48], [39, -41, 6]]