92. A five-digit license plate consists of English letters and numbers, with exactly two of the first four positions being English letters (letters $I, O$ are not allowed), and the last position must be a number. Xiao Li likes the number 18 and hopes that his license plate has two adjacent digits 1 and 8, with 1 preceding 8. How many different choices does Xiao Li have for his license plate? (There are 26 English letters in total.)
Answer: 34560