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: [[50, -18], [-5, 47, -10, -13], [49, -34], [1, -9], [33, -23, -11, 17, 3], [-38, -38, 14, -4], [-35, -11, 6, 29], [-28, 28], [-14, 34, 5]]

[-900, -30550, -1666, -9, 425799, -80864, 66990, -784, -2380]