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.
[[5, -16, -10, 0, 36], [-9, -36, 1, 19], [-38, 15, 20], [20, 40, 27, 23]]