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, 3, -14, 4], [9, -30], [16, 47, 45], [14, 30, 50, 23, -18], [39, -37, 15, -20]]