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: [[45, -9, -20, 22], [22, -1, -17, -3], [3, -25, 35, 19, -47]]

[178200, -1122, 2344125]