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.
[[-11, -2, 7], [-33, -7, 41, 42, 27], [26, -12], [-8, 42, 49, 26, 21]]