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.
[[-48, 33, -41, 21, -17], [-32, -34], [13, 18], [-14, -6], [-31, 48]]