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: [[-10, -29, 46, -26], [-19, 20, -25, -39, 41], [0, -14, 7], [-15, -45, -50, 6], [45, -19, 25], [46, 40, -14, 44, -43], [-42, 50, 47, -37], [-1, -37, -35], [40, -18, -2, 5], [11, -4, -2, 26, -4], [27, -46, 15], [0, 24, -8, 41], [-3, -17], [13, 45, 24]]

SOLUTION: [11960, 20, 0, -300, 0, -1133440, -2100, 0, 1440, -832, -46, 0, 0, 24]

PROBLEM: [[-50, 11, 44], [50, 36], [-20, -48, -10, 23], [15, -11, 9, -2, -1], [37, -28], [-46, 44, -41], [20, 25], [7, 41, 2, -17, 18], [9, -29, 4], [-45, -15, -50, -5, -42], [-15, -21, -50, 35], [10, 44, -48, 16], [32, 28, -7, -30]]

SOLUTION: [-2200, 1800, -9600, -2, -28, -2024, 20, 36, 4, 2100, -50, -337920, -26880]

PROBLEM: [[-19, 4, -12, 18, -3], [3, -17, 13, 17, -34], [-10, 36, -8, -8], [-21, -39]]

SOLUTION:
[-864, -34, -23040, 0]