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: [[13, -34, 25, -2], [4, 9, 7], [20, 1, 6, 30], [11, -16]]

[22100, 252, 3600, -176]