With out changing relative position of vowels and consonants of the word “TRIANGLE” find the number of arrangements

Given word is TRIANGLE

                No.of vowels = 3

                No.of consonants = 5

                The relative positions of vowels and consonants are not disturbed:

The 3 vowels can be arranged in their relative positions in 3! ways and the 5 consonants can be arranged in their relative positions in 5! ways

Required no.of arrangements = $3!\times 5!=720$