I can't solve this problem because there are too many numbers.

He is working hard to cultivate new land.

This country is under an embargo.

I am interested in ancient Persian culture.

Atsushi is good at chess.

默 is the old font for 黙.

Mr. Sumi is a Japanese language teacher.

Takuma ordered ramen and gyoza.

Hibiki forgot to bring his textbook.

These vectors are orthogonal.