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: [[4, 23, 31, -43, -47], [49, 48, 28, 39, 10], [38, -24, 0, -10, 3], [-16, 48], [44, -8, -17], [19, -1], [46, 48], [-7, -33]]

[5763892, 25683840, 0, -768, 5984, -19, 2208, 231]