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, -27, -17, 46, -31], [17, 25, -2, 49, -31], [4, -38], [-48, -35, 18, -32], [13, 39, 25, 30], [38, 29, -3, 43, -26], [23, -21, -16, 24, 33]]
answer:
[46, -2, -152, 27648, 30, -988, -384]


question:
[[-2, -49, -16], [37, -24, 11], [17, 33], [16, -15, -5], [4, 19, -46]]
answer:
[32, -24, 0, 16, -184]


question:
[[-40, 31, -27, -15], [-31, -45, -20], [46, -26], [-47, 8, 8, -30], [5, 24, 36, -19], [41, 45, -48, -3], [37, 29, 46, -23], [20, 10, -48, -33, 8]]
answer:

[-40, -20, -1196, -1920, 864, -48, 46, -76800]