fn main() {

  let add = 5 + 3;

  let sub = 10 - 4;

  let mul = 6 * 2;

  let div = 12 / 3;

  let rem = 10 % 3;

​

  println!("Add: {}", add);

  println!("Sub: {}", sub);

  println!("Mul: {}", mul);

  println!("Div: {}", div);

  println!("Rem: {}", rem);

}