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:
[[28, 49], [-9, -22, 27, -43], [-20, 15, -6, 31, -14]]
answer:
[28, -22, -1680]


question:
[[-14, -43, -46, 12], [-19, 12, -30, -25, 44], [37, -47, 29, 26]]
answer:
[7728, -15840, 26]


question:
[[13, 23], [24, -6, -2, 10], [37, -37], [29, -36, -25, 48, -50]]
answer:

[0, 2880, 0, 86400]