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:
[[35, 21, -23, 48, -16], [50, -50, -29, -3, -41], [46, -41, 2]]
answer:
[-768, -2500, 92]


question:
[[38, 28], [-17, 24], [0, -7, -15, -8]]
answer:
[1064, 24, 0]


question:
[[3, 18, -24, 48], [22, 0], [-31, 41], [-20, 31, 23], [3, 32], [46, -45, 0], [9, -19], [10, -22, 23, 17], [41, 42], [34, 44, -24], [17, 29], [26, 27], [41, -5]]
answer:

[-20736, 0, 0, -20, 32, 0, 0, -220, 42, -35904, 0, 26, 0]