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.
[[23, -39, -28, -18, 0], [-32, 11], [-36, -30, -11], [0, 42, -40, -35], [10, 28]]