TrapeziodArea - Chapter 2.0

//Task 005, Chapter 2.0
using System;

public class TrapeziodArea
{
    static void Main()
    {
        double a = double.Parse(Console.ReadLine());
        double b = double.Parse(Console.ReadLine());
        double h = double.Parse(Console.ReadLine());

        double area = (a + b) * h / 2.0;

        Console.WriteLine("Trapeziod area = " + area);
    }
}