// Function to perform basic arithmetic operations
function calculate(a, b, operator) {
    switch (operator) {
        case '+':
            return a + b;
        case '-':
            return a - b;
        case '*':
            return a * b;
        case '/':
            return a / b;
        default:
            return 'Invalid operator';
    }
}

// Example: Perform addition (10 + 5)
const result = calculate(10, 5, '+');
console.log('Calculator Result:', result);