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.
[[15, -39], [36, 2], [-38, -42, -13, -49], [-46, 44], [-27, -15, 42, 6, -10], [-7, 10, 31, -34, 1], [38, -1], [-22, -41]]