Definition: 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.
Input: [[16, -27], [-1, 36, -9, 50, -31], [-45, -49, -10, 33, -2], [37, 31, -22], [22, -2, -40, 41, 9]]

[-432, -502200, 1455300, -25234, 649440]