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: [[-17, -33, 27, 45, -50], [10, 18, 25, 21], [20, -7, 10, -10, 19], [-8, -18, -11]]

SOLUTION: [-50, 180, -2000, 144]

PROBLEM: [[8, -30, -35, 47], [-5, -2, -24], [-19, 39, 33], [-10, 32, 19], [-46, -15], [14, 3, -15], [-38, 41, 24], [-15, -47, 34, 17], [28, 16, -23], [18, -10, -15], [34, -20, -13]]

SOLUTION: [-240, 48, 0, -320, -46, 14, -912, 34, 448, -180, -680]

PROBLEM: [[-46, 12, -12], [48, -43, -28, 17, 25], [24, -23], [48, 45, 20], [46, 41, 50, -17, -12], [38, -33], [46, -8, -1, -22, 9], [-36, 12, 39], [-7, -9, -50, 31], [-16, 26, 39, 19], [43, -13, -11], [33, 50, 42, -36, -18], [-45, -20, 19], [5, 22, 44, -14, 7]]

SOLUTION:
[6624, -1344, 24, 960, -27600, 38, 8096, -432, -50, -416, 0, 1360800, -20, -13552]