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, -18, -32, 3, -31], [35, 0, 49, -1, 31], [-10, 50, 25]]

[-2303424, 0, -12500]