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: [[-40, 27], [15, 12, -15, 37, 8], [-43, 50, -2], [-41, 4], [-17, 12, -4, 15, 8]]

[-1080, -799200, 4300, -164, 97920]