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.
[[-40, 40], [-26, 12, 30, 18, 27], [-38, 2, -20], [-33, 48, -49], [-4, -37]]