In Madrid, I ate breakfast:
Bocadillo (ham & cheese sandwich)
Cost: 11 euros ($14.43)
In London, I ate lunch:
Cost: 3.45 pounds ($5.45)
And while we're on the prices of things, gas prices...
In Spain, it was 1.36 euros per liter = $6.74 a gallon
In England, it's 1.40 pounds per liter = $8.37 a gallon