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: [[-23, 13, -22, -20, -17], [-17, -4], [-24, 19, 5], [8, -49, -8], [29, 27, -41, 12], [-33, -17], [8, -48, 16, 43, 0]]

SOLUTION: [440, -4, -24, -64, 12, 0, 0]

PROBLEM: [[34, -2, -41, 25, -45], [-47, 42], [-2, 26, 36], [36, 27, -9, 17]]

SOLUTION: [-68, 42, -1872, 36]

PROBLEM: [[-21, -14], [16, -35, 3], [-15, -26], [-13, 15, 18, -20, 5], [-31, -42, 34, 14], [27, 5, 29, -8], [-49, 18, -8, -27], [36, -50, -33, -26, 31], [38, 50, -30, 13, -13], [-41, -31, 7, 17, 12], [20, 38, -34], [-11, 48, -18, -47, 9], [-20, 25]]

SOLUTION:
[-14, 16, -26, -360, -19992, -8, -144, 46800, -57000, 12, -25840, -864, -20]