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.
[[6, 34], [-26, 31, 46, 0, 38], [1, -29, -5, 9, -48], [-11, -49, 26, 37]]