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:
[[-42, -26, 37, 19], [-5, -34, -50, -24], [-42, 42, 23], [-49, -50, 48, 3, -5], [11, 33], [30, 10], [-13, -1, 22], [42, 8], [-31, -4, 10, -15, 7]]
answer:
[1092, -40800, -1764, -2400, 0, 300, 22, 336, -40]


question:
[[-35, 30, -50, -7, 31], [-30, 43], [-40, 40, -38, -43], [48, -47, 29], [50, -1, -48, -3], [-18, 5], [-45, -10, -48], [6, -41], [26, 49, 32, 33, -44]]
answer:
[-1500, -30, 60800, 48, -2400, -18, 480, 6, -36608]


question:
[[-10, -9, 23, -41], [22, 26, 4, 41], [-27, -15], [-30, -5, -9, 36], [-49, -15], [-22, -22]]
answer:

[-10, 2288, 0, -1080, 0, 484]