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: [[6, 30, -48, 30], [-45, 4, -8, -12], [38, -1, -38, 19]]

[-259200, -17280, 27436]