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: [[-4, 22, -13, 46, 47], [5, 10, 1], [-37, 38, -19, -8]]

[2473328, 50, -213712]