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: [[39, -3], [-49, -30, 48, -1, 50], [-1, -33], [-23, 3], [47, 24, 13, 49]]

[-117, -3528000, 33, -69, 718536]