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, 25], [4, -41, 15, -41, 0], [24, -10, 7, 48], [11, 6, 19, 18, 12]]