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.
[[-49, 9, 17], [-14, -19, 28, -6, -31], [31, 34], [25, 23, -38, -12, -29], [37, -39, -31, 4, 18], [6, -38, 16], [-39, -39]]