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.
[[16, 26, -47], [12, -16, 27, -34], [-2, -7], [-40, -36, -38], [-30, -19], [2, -28, -42, -38, 7], [42, -5]]