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.
[[34, 1, 37, -49], [-37, 31, -32, -5, -35], [-6, -39, -41, -7], [-5, 43, 21, -35], [-30, -1, 21]]