Since 1 British Pound is equal to 180.11530960036305 Japanese Yens, we could say that n British Pounds are equal to 180.11530960036305 times n Japanese Yens. In other words, we could use the following formula:
Japanese Yens = British Pounds x 180.11530960036305
For example, let's say that we want to convert 2.0 British Pounds to Japanese Yens. Then, we just replace British Pounds in the abovementioned formula with 2.0:
Japanese Yens = 2.0 x 180.11530960036305
That is, 2.0 British Pounds are equal to 360.2306192007261 Japanese Yens.