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.
[[5, -13, -49], [-6, -21, -33], [9, 6], [28, -22, 13, -41], [-25, -23], [-21, 31, 14], [35, -43], [48, 40, 9, -44], [32, -22, -18, -6]]