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:
[[-11, 18, -12, -30, 23], [-18, 33, 40, -18, 19], [-16, -5, -43], [-34, -49]]
answer:
[6480, 12960, -16, -34]


question:
[[-24, -32, -12], [-49, 42], [45, -11, -43], [-20, -23, -38], [-36, -50], [5, 45, 31], [50, 24, -12, -11, -8], [-13, 30, 3], [11, -42, -44], [-33, 39, -48], [19, -22, -48]]
answer:

[-9216, 42, 0, 760, 1800, 0, 115200, 30, 1848, -48, 1056]