All the letters of the word ‘CARDBOARD’ are arranged in alphabetical order. In the newly formed group of nine letters, how many letters are there in the English alphabetical series between the fourth letter from the left and the second letter from the right?

All the letters of the word ‘CARDBOARD’ are arranged in alphabetical order. In the newly formed group of nine letters, how many letters are there in the English alphabetical series between the fourth letter from the left and the second letter from the right?
‘CARDBOARD’ शब्द के सभी अक्षरों को वर्णानुक्रम में व्यवस्थित किया जाता है। नौ अक्षरों के नवसंरचित समूह में बाएं से चौथे और दाएं से दूसरे अक्षर के बीच अंग्रेजी वर्णमाला श्रृंखला में कितने अक्षर हैं।