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: [[-17, 7, 36], [-32, 15, -17], [5, 1, -42, -19], [49, -23, 0]]

[-4284, 8160, 3990, 0]