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.
[[31, 45, 9], [50, -35, -37, 37, -6], [-3, -3], [22, 43, 36, -18], [-9, -26, -4, 33], [-46, -19, -28, -10], [-8, 29, -13, 9]]