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.
[[-1, 30, 17, 31], [27, 44], [21, 1, -4], [-4, -48, -34], [25, -9, -14], [-20, -10, 38, -33, -31], [25, 27], [32, 41, -31, -13]]