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:
[[21, -8, -12], [-17, -3, -44], [14, 31, 21], [-20, 17, -11, 23], [49, 47, -3, 41, 29], [-11, 0, -24, -36, 14], [18, -19, -15, 29, 48]]
answer:
[96, -44, 14, -20, 0, 0, 864]


question:
[[-42, -37, -5, 12, -3], [41, -23, -22, 47], [-12, -6, 8]]
answer:
[-504, -22, 576]


question:
[[-16, -24], [44, 30, 22, 36, -46], [-11, 11, 16, -8], [-9, -18], [21, -34, -29], [-27, 1, 12, 23, -20], [-26, -24, -22], [28, 44, -25, -33], [14, 36, -17, 10, -14]]
answer:

[384, -48090240, -128, -18, -34, -240, -13728, 1232, -70560]