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.
[[-26, -26, 46], [-36, 46, -16], [-18, -10], [22, -48, 5], [-12, 0, 15, -28, 20]]