Uncategories In how many different ways can the letters of the word ‘LEADING' be arranged in such a way that the vowels always come together ?

In how many different ways can the letters of the word ‘LEADING' be arranged in such a way that the vowels always come together ?

In how many different ways can the letters of the word ‘LEADING' be arranged in such a way that the vowels always come together ?
a) 360
b) 480
c) 720
d) 5040