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.
[[-1, 27, 0, -49], [49, -45, 44, 20], [12, 14, 30, 43], [-10, 31], [42, 35, 21, -19], [-36, 1, 49, -42], [38, 50, 50, 29, 25], [-12, -7], [-27, 50, 41, 21]]