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.
[[-33, 6, 30, 17], [35, 25, 43, 39], [-28, -3], [27, 49, -42, 15, 39], [42, -29]]