how many words can be formed from the word RESTRICTION without changing relative order of vowels and consonants?

Hello student,
please find the answer to your question below
Given word isRESTRICTION and it has 4 vowels and 7 consonants
As their relative position should not be changed
Number of ways=(4!)(7!)/2!2!2!as there are 2r’s 2 t’s and 2i’s
=15120 ways