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.
[[22, 9, -44], [-1, -29, 19, 49, -10], [26, 29, 39, 5], [8, 3]]