In a specific code, 'FISH' is represented as '61489'. If 'S' is 19, what is the code for 'HAT' where 'H' is 8, 'A' is 1, and 'T' is 20?

Answer: A. 181920
The code for 'HAT' is formed by concatenating the values: 'H' (8), 'A' (1), 'T' (20) gives '181920'.