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.
[[18, 36, -5], [-28, 6, -50, 1, -38], [38, 32, 36, 5], [27, 14, 12, 35], [10, -20]]