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.
[[44, 15, 36], [35, -23], [9, 35, -16, -49, 9], [49, 2, -7, 49, -2]]