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: [[-20, 9, 38], [7, -6, 13], [-35, 30], [47, 25], [43, 43, 35, 50]]

[-6840, -546, -1050, 1175, 3235750]