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.
[[-14, 2], [-13, -22, 44, 27], [-17, 18, 3, 1, -47], [2, 31, 40, -38]]