instruction:
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.
question:
[[-2, 16, 28], [-47, 8, -31], [-43, 45, 17, -9], [24, 42]]
answer:
[-896, 8, 0, 1008]


question:
[[-1, 11, 18], [-15, -6], [33, -25, 16, 43, -21], [-46, -13, 43, -37], [-26, -40, 37, 15, 49], [-33, -45, -37]]
answer:
[18, -6, 16, -46, 1040, 0]


question:
[[-44, 36], [-22, -14, -33], [-11, 46], [-28, 32, 26], [37, 20], [37, -16], [31, 40, 49, -11], [47, 12], [-6, 9, -33], [-8, -2]]
answer:

[-1584, 308, 46, -23296, 20, -16, 40, 12, -6, 16]