There is an active mountaineering club at my university.

He loves mountain climbing.

He looked up at the mountains and was moved by the beauty of nature.

He is interested in ancient mathematics.

How much is the calculation for this product?

Sangaku, a form of popular entertainment in the Nara era, was greatly enjoyed by people.

Do you remember where I put my study guide?

I am majoring in computer science at university.

I jog for 30 minutes every day.

One hour is sixty minutes.