Convert INT to DECIMAL with 1 digit Precision

Hello,
   
I'm trying to get a value with 1 digit precision when I do the below calculation:
((636/80)/3)


I tried casting the numerator as DECIMAL, but I get a final result with 8 decimal places as shown below.

SELECT (CAST(636 AS DECIMAL(18,2))/80)/3
Result: 2.65000000

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But I want only 1 decimal place in the result as 2.7

How do I achieve this?

Thanks!