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: [[5, 8, -47, 19], [-7, 1, 22, -3, -30], [-38, -15, 40, 41, 37], [-25, -22, 29]]

[-35720, -13860, 34587600, 15950]