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: [[30, 17, -42], [-22, 44, 35, -41], [0, 3, -46, 23, 7]]

[-21420, 1389080, 0]