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.
[[17, 5, 49, 17], [-32, 46], [39, -8, -42, -49, -29], [20, 46, 48, 37], [14, 39, 33, 30, -42]]