Definition: In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
Input: [[17, 15], [42, -11, -49], [-12, 32, -8], [44, 25, 41, 6]]
Output:
[0, 42, 3072, 264]