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: [[-46, 5], [9, 48, 17], [-6, -3, -26]]

SOLUTION: [-46, 48, 156]

PROBLEM: [[-25, 23], [40, 10, 28, -5, 49], [21, 11]]

SOLUTION: [0, 11200, 0]

PROBLEM: [[-40, 16], [-20, 21, 34], [13, 13, 45, 50, 11], [3, -36, -39]]

SOLUTION:
[-640, -680, 50, -36]