Since 1 British Pound is equal to 9.807916959887402 Hong Kong Dollars, we could say that n British Pounds are equal to 9.807916959887402 times n Hong Kong Dollars. In other words, we could use the following formula:
Hong Kong Dollars = British Pounds x 9.807916959887402
For example, let's say that we want to convert 2.0 British Pounds to Hong Kong Dollars. Then, we just replace British Pounds in the abovementioned formula with 2.0:
Hong Kong Dollars = 2.0 x 9.807916959887402
That is, 2.0 British Pounds are equal to 19.615833919774804 Hong Kong Dollars.