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.
[[-28, -36, 32, 7], [-20, -50, -29, 23], [-1, 38], [35, -29], [-19, 6, -32, 40, 33]]