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.
[[41, -19, 23, 42, -17], [-19, 2, 7, 25], [-23, 37, 28, 0], [4, -12, 42, 40]]