2000g = 2kg, 30kg = 30kg, 30kg, over 2kg, over 30kg, over 2000g

5 square meters =500 square decimeters

500 square decimeter =500 square decimeter 500 square decimeter =5 square meters 4 tons =4000 kilograms

4000 Jin is more than 500 Jin.

4 tons, more than 500 kilograms