"It's very cheap sir," the old man replied. "The basic gears costs between 50-300 gold coins while the more expensive ones range from 1,000 to 10,000 gold coins."
[It's more peaceful here than the Peace Era. Their conflict was so small if compared to other times. Although they have wars called World War 1, 2, and 3, it's too complicated and the world was not really in danger, can't be bothered. After all, affinity to energy, or as they call magic was removed due to a spell called Blissful Transformation. So I'll just stick to video games and anime.]