What is the total surfacearea of a close cylindical tank with a radius of 3.5 and a height of 7m?

The surface area would be 2pirh + 2pir2 so 2 x 3.14159 x 3.5 x 7 + 2 x 3.14159 x 3.52 is 153.938 + 76.969 is 230.907m2