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.
[[-7, 21, -28, 48], [-19, -13], [25, 24, 46, -27], [46, 18, -32]]