Task: Sentence Expansion
Input (English): Emperor Takakura ( 20 September 1161 – 30 January 1181 ) was the 80th Emperor of Japan .
Output (English): Emperor Takakura ( 高倉天皇 " Takakura-tenno ̄ " ) ( September 20 , 1161 – January 30 , 1181 ) was the 80th emperor of Japan , according to the traditional order of succession .