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, 48, -18, -40], [39, -18, 46, -35, 4], [48, -43], [39, -23, 42], [-14, -19, 32, 8]]