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.
[[8, 47, 17, -39], [10, -32, 37, -32], [30, 50, 1, -6, -25], [15, -39, -2, -22, -8], [35, -41, 9], [-30, 27, 31]]