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.
[[40, 19, 30], [37, 31, 32, 20], [-47, 20], [-33, -21, 6, 1], [-29, 14, 46], [-45, 18, 44, 9], [-45, -36, -20], [23, -14, -19], [29, -32, 30, 42, -48]]