This battleship is equipped with three cannons.

He opened the doorway and entered the house.

He opened the gate and let me in.

Mr. Kado is my best friend.

When you pass through this gate, a new world is spreading.

He solved a large number of problems.

Understanding numbers is important for solving math problems.

He was bedridden with illness for several days.

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

I started a new job two months ago.