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: [[46, -1], [4, 49, -23, 17], [38, -48, -36], [-38, 18]]

[-46, -76636, 65664, -684]