TASK 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.
PROBLEM: [[31, 22, 2, 35], [7, -27, -3, 37], [-46, 34], [-33, 42, 28, 8]]

SOLUTION: [44, 0, -1564, 9408]

PROBLEM: [[10, -9, 27], [-18, -2, 2], [-44, 26, -34], [29, -2], [-49, -23, 8], [7, -49, -44], [-31, 2, -4, -35, 17], [-40, -12, -31, 19, 29]]

SOLUTION: [10, 72, 38896, -2, 8, -44, -8, 480]

PROBLEM: [[31, -11, -38], [-28, 10], [28, 38], [-12, 50], [-47, 8, 25], [-44, -50, -20, -34], [-6, -45, -18], [11, 13, 29], [-10, -28, -13, 50, -17]]

SOLUTION:
[-38, -280, 1064, -600, 8, 1496000, 108, 0, 14000]