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.
[[-22, 24, 18, -4], [39, -41, 6, -23], [-38, 46, 15], [-38, 24, 3]]