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.
[[42, 16, 6, -32, 9], [-16, 24, -9, -15], [36, 30, -16, -24, -45], [9, -23]]