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.
[[-39, -2, 34, 8], [-33, -48, -44, -42], [12, -31, 15], [-11, -47, -38], [-11, -44, -28, -42], [-41, 49, 2, 11]]