import gradio as gr

# Function to perform the calculator operations
def calculate_expression(expression):
    try:
        # Using eval to evaluate the mathematical expression
        result = eval(expression)
        return result
    except:
        return "Error"

# Create the interface using Gradio
def create_calculator():
    with gr.Blocks() as demo:
        gr.Markdown("### Simple Calculator")
        
        # Create the input box where users can enter expressions
        expression_input = gr.Textbox(label="Enter Expression", placeholder="e.g., 3 + 4", lines=1)
        
        # Output area to show the result
        result_output = gr.Textbox(label="Result", interactive=False)
        
        # Button to trigger calculation
        calculate_button = gr.Button("Calculate")
        
        # Link the button to the calculation function
        calculate_button.click(fn=calculate_expression, inputs=expression_input, outputs=result_output)
        
    return demo

# Run the Gradio app
if __name__ == "__main__":
    calculator_app = create_calculator()
    calculator_app.launch()