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: [[21, -33], [-23, -15], [33, -13, 44, 9], [-47, 11], [3, 42], [-34, 27, 37, -8, -36], [-34, -40], [12, 18, 38], [-15, -8, -16], [14, -50], [-39, -5, 34, 16, 36], [17, -28, 22, -1]]

SOLUTION: [0, 0, 44, 0, 42, -9792, 1360, 8208, 128, -700, 19584, -616]

PROBLEM: [[-8, -49], [20, -38], [12, -47], [23, 46, 38], [-38, -27], [27, -29, 50], [-23, -40, -17, 44, -11], [25, -50, 25, 11, 11], [38, -2, 17, 5, -29], [11, 9, 17], [8, 33, 5, 45], [-2, -30], [42, 40, 7, -11, 50]]

SOLUTION: [-8, -760, 12, 1748, -38, 50, -1760, -50, -76, 0, 8, 60, 84000]

PROBLEM: [[25, 13], [1, 21, -50], [-49, 38], [16, -19, -12], [44, -31, 24, -34], [7, 15], [3, 10, 13, 2], [39, -17, 43, 18, 38], [39, -40, 34], [25, 16, -2, 36], [-37, -49, -38], [-28, 0, 31], [-38, -46, 49, -38, 33]]

SOLUTION:
[0, -50, 38, -192, -35904, 0, 20, 684, -1360, -1152, -38, 0, -66424]