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, 16, 49], [-9, 50], [-11, -12, -32, -5], [40, 3, 14], [-5, -22, 20, -44]]

[24304, -450, 21120, 1680, -96800]