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: [[-13, -37, -23, 23, 17], [-9, 29, -19, 50], [39, 40], [-45, -38, 28, 28, 14]]

[-4325633, 247950, 1560, 18768960]