basic_calculation.dart

void main() {
  int num1 = 10; //declaring number1
  int num2 = 3; //declaring number2

// Calculation
  int sum = num1 + num2;
  int diff = num1 - num2;
  int mul = num1 * num2;
  double div =
      num1 / num2; // It is double because it outputs number with decimal.

// displaying the output
  print("The sum is $sum");
  print("The diff is $diff");
  print("The mul is $mul");
  print("The div is $div");
}
// using basic operators with dart