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:
[[-31, 42, -40, 28, -21], [-41, -14, -19], [-6, 34, 43, 38, 36]]
answer:
[-47040, -14, -279072]


question:
[[-34, 23, 26], [-28, -41], [-6, -25, 4, -7]]
answer:
[-884, -28, -24]


question:
[[-18, -2, 27, 25], [-49, 33, -27, 27], [-22, -26, 34, 1]]
answer:

[36, 0, 19448]