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, 36], [39, 30, -23], [-30, 26, 24, 27, -28], [8, 4, 50, -21], [32, 31], [-47, 9]]