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: [[-39, -24, -13], [44, 45, 47, 47], [-42, -50, -40, -2, 42]]

[-12168, 4373820, 7056000]