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: [[43, 17, 20, -25], [13, -25, -50, 29], [11, 25, -6, 46, 41], [-16, -9], [34, 19]]

[-365500, 471250, -3111900, 144, 646]