C lan

        #include 

            int main() {
                double num1, num2, sum;
            
                printf("Enter first number: ");
                scanf("%lf", &num1);
            
                printf("Enter second number: ");
                scanf("%lf", &num2);
            
                sum = num1 + num2;
            
                printf("Result: %.2lf\n", sum);
            
                return 0;
            }
            
        
      

Output

            
                Enter first number: 10.5
                Enter second number: 5
                Result: 15.50