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.
[[-20, -25, -26, 39, -21], [-34, 8, -43, -45], [38, -10, -5, -28, 22]]