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.
[[0, -12, 31, -3, -16], [25, -39], [-45, -25, -20, 16], [28, -21, 5], [48, 27, 13, -49], [-44, -44, -15], [4, -15]]