customary unit

1.You have an elephant is six feet and two inches tall how many inches tall is the elephant.
My brother is 6 feet tall and my sister is 3 feet tall. How taller is my brother compared to my sister?

Metric unit

2. A lion is one meter and two centimeters how many centimeters long is the lion?
My mother bought 2 liters of apple juice and she already had 1.5Liter of apple juice at home, how many liters of apple juice we have