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.
[[-5, -5], [37, -50], [-13, 35, 15], [-9, -43], [-28, -36, 5, -48, 10]]