He is calculating in his head.

Animal husbandry is the main source of income for my family.

My aunt is older than my mother.

The place of production of this wine is France.

This pen is 15 centimeters long.

I'm going to visit Tanaka's house today.

My birthday is in the fifteenth month.

We went to see a coral reef during summer vacation.

My uncle gave me a birthday present.

Maid, could you clean the room, please?