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, 39, -9], [31, 50, -3], [-3, -19, -5, 50], [-19, 19, 3, 0], [18, 8, 6], [23, 50, -25, 9, -12]]