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.
[[48, 10, 16], [22, 13], [9, 26, -26], [-12, -12, 48, 48, 13]]