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.
[[-42, 44], [-3, -4, 29], [18, -30], [32, -13, 29], [47, -7], [-14, 0], [35, 30], [46, 43], [21, 25]]