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: [[8, -39, -25], [-10, -13], [25, -43, 31, 8]]

[7800, 130, -266600]