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: [[31, 30, 10, -40, 44], [-11, -2, 9, 6], [39, -44], [-14, -39, 25, -40], [16, -45, -15]]

[-16368000, 1188, -1716, -546000, 10800]