let firstNumber = '';
        let secondNumber = '';
        let operator = '';
        let isSecondNumber = false;
        
        const numberButtons = document.querySelectorAll('.numberButton');
        const calcButtons = document.querySelectorAll('.calcButton');
        const topText = document.querySelector('.info-box-top-text');
        const bottomText = document.querySelector('.info-box-bottom-text');
        
        numberButtons.forEach(button => {
            button.addEventListener('click', () => {
                const value = button.textContent;
        
                if (value === 'AC') {
                    firstNumber = '';
                    secondNumber = '';
                    operator = '';
                    isSecondNumber = false;
                    topText.textContent = '';
                    bottomText.textContent = '';
                } else if (value === '=') {
                    if (firstNumber && secondNumber && operator) {
                        const result = calculate(Number(firstNumber), Number(secondNumber), operator);
                        topText.textContent = `${firstNumber} ${operator} ${secondNumber}`;
                        bottomText.textContent = result;
                        firstNumber = result.toString();
                        secondNumber = '';
                        operator = '';
                        isSecondNumber = false;
                    }
                } else {
                    if (!isSecondNumber) {
                        firstNumber += value;
                        bottomText.textContent = firstNumber;
                    } else {
                        secondNumber += value;
                        bottomText.textContent = secondNumber;
                    }
                }
            });
        });
        
        calcButtons.forEach(button => {
            button.addEventListener('click', () => {
                if (firstNumber) {
                    operator = button.textContent;
                    console.log('Operator set to:', operator);
                    isSecondNumber = true;
                    topText.textContent = `${firstNumber} ${operator}`;
                }
            });
        });
        
        function calculate(num1, num2, op) {
            switch(op) {
                case '+': return num1 + num2;
                case '-': return num1 - num2;
                case '*': return num1 * num2;
                case '/': 
                    if (num2 === 0) {
                        return 'Cannot Divide by Zero';
                    }
                    return num1 / num2;
                default: return 0;
            }
        }