two thirds divided by two to the fourth power plus (three fourths plus one sixth) divided by one third

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Ineed if you could explain and give me the answer you! this needs done

Need on this one asap im almost done with this subject