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.
[[1, -21, -2], [34, -26], [20, -49, -12], [30, 6, 13, 24, -39], [-23, 23]]