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: [[-47, -23], [39, -49], [-29, 31, 47, 24], [-9, 49, 44, -48, -6]]

[1081, -1911, -1014072, -5588352]