Question: Friend A bought 220 yuan worth of toys, Friend B bought 400 yuan worth of toys, and I bought 277 yuan worth of toys. What is the minimum amount I have to pay? (eg: Number (keep two decimal places) + yuan)
Clues:
1. The text "满199减100/满299减200", which states the discount rules: get 100 off for spending 199 or more, and get 200 off for spending 299 or more.
Answer: 91.72 yuan
Category: Planning and Consumption