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.
[[-15, -47], [-40, -27, 6, 39, -23], [50, -9], [23, 4, -36, 29], [-39, -41, 33]]