The generated code is 7 digits.The first three digits are created by selecting 3 different letters from {a,b,c,d,e,f.g,h).The last 4 digits are created by selecting 4 different digits from {1,2,3,4,5,6,7,8,9}. What are the probability that the first letter of a randomly selected of products encoded in this way is vowel and the last digit is even number?

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