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: [[-18, -47, 47, -2], [20, 10], [7, -2, -49, -36, -8], [-48, 18], [19, -22]]

[-79524, 200, 197568, -864, -418]