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.
[[-21, 9], [27, -38, -39, 21], [-21, -14, 50, -42, 30], [-48, -11, -30, -3], [32, -1, 38], [43, 43, 7], [-9, 14], [42, 29]]