6. Grandpa Beard bought a new pair of glasses.
Kavin said: “I guess the price is 198 yuan.”
Kufei said: “I guess the price is 211 yuan.”
DuoDuo said: “I guess the price is 216 yuan.”
Grandpa Beard said: “The prices you guessed differ from the actual price by 5 yuan, 8 yuan, and 13 yuan respectively.” The price of the new glasses is $\qquad$ yuan.