Question: If a customer purchased both the item marked with an original price of 4.00 yuan and the item marked with an original price of 13.90 yuan in the picture, how much money did they save in total?
Clues:
1. A yellow price sign indicating a sale price of 3.70 yuan and an original price of 4.00 yuan.
2. A yellow price sign indicating a sale price of 11.90 yuan, with the text "现价 PRICE" (current price).
3. A smaller tag below the 11.90 price showing a crossed-out original price of 13.90 yuan.
Answer: 2.30 yuan
Category: Planning and Consumption