1. let number1 = 5;
  2. let number2 = 10;
  3. let sum = number1 + number2;
  4. console.log("Sum =", sum);
  5.  
  6. let number1 = 10;
  7. let number2 = 5;
  8. let subtraction = number1 - number2;
  9. console.log("Subtraction =", subtraction);
  10.  
  11. let number1 = 5;
  12. let number2 = 10;
  13. let multiplication = number1 * number2;
  14. console.log("Multiplication =", multiplication);
  15.  
  16. let number1 = 10;
  17. let number2 = 5;
  18. let division = number1 / number2;
  19. console.log("Division =", division);