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.
[[-2, -28], [5, -26], [19, 38, -13, 8], [40, -17], [19, -16, 34, 3, 13], [-10, -28], [-12, 13, -20, -8, -23], [-5, 4, -28, 11, -3], [-4, 19, -43, 23]]