Help solve the riddle from the quest book "Little Evil Book Part 1" (should be the number of the old man)

 
Help solve the riddle from the quest book Little Evil Book Part 1 (should be the number of the old man) - Books, Hobby, Children, Quest, Children's literature, Mystery, Longpost
Help solve the riddle from the quest book Little Evil Book Part 1 (should be the number of the old man) - Books, Hobby, Children, Quest, Children's literature, Mystery, Longpost


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