Definition: 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.
Input: [[-3, -9], [-17, 45], [-30, -15], [-21, -19], [-45, 7, 19, -8, -40]]

[27, -765, 450, 399, -1915200]