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.
[[-20, -31, 0, 38], [45, 2, 48, -13, -29], [35, -19], [-35, 20], [-38, -12, -7], [-28, 8, 22, 23], [-17, 30, -8, -22], [25, 31], [-18, 46], [-14, -21]]