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.
[[8, 27, 46, 35, 19], [-11, 38, 20, -44, -8], [-15, 18, 20, -13], [-47, -4]]