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: [[41, 4, 37, -42], [-41, -13, 41, 16], [23, 50, -11, 11], [-48, 9], [33, 29]]

[-254856, 349648, -139150, -432, 957]