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: [[-38, 45, -35, 12], [1, 24, -9], [-20, -9, 22, -48]]

[718200, -216, -190080]