He was obedient to what his parents said.

He cooked using a gas stove.

I will hold my birthday party on the twelfth.

Our project is scheduled to be completed on the twenty-second day of the month.

My birthday is on the twenty-eighth.

Our project is scheduled to be completed on the twentieth day of the month.

My grandfather is seventy years old.

My younger sister is seventeen years old.

The wind pressure increases as the typhoon approaches.