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, 19], [11, 40, 1, -5], [34, 17, -50, -18, 48]]

[-342, -2200, 24969600]