Fix grammatical errors: For example, 3980 yen, 29800 yen, 198 yen.
3980 yen, 29800 yen, 19800 yen.
Corrected: 3980 yen, 29800 yen, 19800 yen.
Corrected: 3980 yen, 29800 yen, 19800 yen.
Corrected: 3980 yen, 2
3980 yen, 29800 yen, 198 yen.
Correct: 3980 yen, 29800 yen, 198 yen.
Correct: 3980 yen, 29800 yen, 198 yen.
Correct: 3980 yen, 29800 yen, 1