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.
[[22, 44, 13, -12], [-26, 17, -11, 19], [14, 49, 1], [35, 6, -40, 38], [49, 15, 47, 50, -43]]