// prints (5.0,7.0,9.0)
    print (Vector3(1,2,3) + Vector3(4,5,6));

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Example() {
        print(new Vector3(1, 2, 3) + new Vector3(4, 5, 6));
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Example():
        print((Vector3(1, 2, 3) + Vector3(4, 5, 6)))