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, 18, -28], [26, 23], [31, -43, 16, -33, -15], [-19, 36], [20, -39], [29, -50, -43, 50, 13], [-9, 32]]