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: [[-20, -9, -4, -22], [-9, 29], [-41, -3, 12], [-26, 35, 7], [-22, -28, 50, -42, -49], [9, -3, 20, 5, -3], [41, -49, 44, 35, 27], [10, -46, -48], [32, -21], [47, -15, 28, -13]]

SOLUTION: [-1760, 0, 12, -26, -1293600, 20, 44, 22080, 32, 28]

PROBLEM: [[49, -17, -34, 30], [-2, 24, -16, -13], [41, 20, -40, 26, -45], [-43, -4], [1, -28, -8, 38, -39], [0, -45, 2], [-23, -48], [-31, -27]]

SOLUTION: [-1020, 768, -20800, -4, 8512, 0, -48, 0]

PROBLEM: [[17, -7, 7, -15, 25], [-15, -7], [-17, -9, 13, -34, -5], [-39, -33, 33, 42], [11, -40, 7]]

SOLUTION:
[0, 0, -34, 42, -40]