Since 1 British Pound is equal to 6.179427677841939 Brazilian Reais, we could say that n British Pounds are equal to 6.179427677841939 times n Brazilian Reais. In other words, we could use the following formula:
Brazilian Reais = British Pounds x 6.179427677841939
For example, let's say that we want to convert 2.0 British Pounds to Brazilian Reais. Then, we just replace British Pounds in the abovementioned formula with 2.0:
Brazilian Reais = 2.0 x 6.179427677841939
That is, 2.0 British Pounds are equal to 12.358855355683877 Brazilian Reais.