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, -48], [10, -41, -42, 34], [-16, 14, 31, -27, 2], [35, 48, 30, -42, -12], [31, -24, 22, 48]]