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.
[[-6, -43, -39, 20], [40, -22, 26, 25, 28], [-22, 6, 33, -36], [-18, 40, 45, -41], [-17, 3, 1, -26, 25], [-49, -30, 7, -41, 25], [31, -6], [26, -29, -42, 15], [-46, -2, 6, 37, -18], [31, 45]]