'Petals Around The Rose' is a fairly simple mathematical puzzle. You could go ahead and 'Google it', but wouldn't that spoil the sense of achievement of cracking it on your own? It bewildered Bill Gates for a few hours back in 1977, but I'm sure you can do better. 
Rules of the game:
- The name of the game is 'Petals Around the Rose', and this is significant.
- Each roll of the five dice gives a score, which will always be zero or an even number.
- You simply need to work out how the score is calculated.
Click here to play the game.
Once you understanding the scoring, you should have no trouble calculating the values for A to D, below.
The Puzzle
Get rolling to:
N 51° 18.(9*A*B + 13)
W 000° 39.(11*C*D - 45)
Congratulations on the FTF to Woking Wonders.