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.
[[-14, -20, 7], [-9, 25, 50, -1, 13], [-38, -15, 39, 19, -15], [17, 8], [49, -27, -8, 7]]