import gradio as gr

# Define a simple calculator function
def calculator(a, b, operation):
    if operation == "Add":
        return a + b
    elif operation == "Subtract":
        return a - b
    elif operation == "Multiply":
        return a * b
    elif operation == "Divide":
        if b == 0:
            return "Error: Division by zero"
        return a / b

# Create the Gradio interface
with gr.Blocks() as demo:
    gr.Markdown("## 🧮 Mini Calculator")
    with gr.Row():
        a = gr.Number(label="Number 1")
        b = gr.Number(label="Number 2")
    operation = gr.Radio(["Add", "Subtract", "Multiply", "Divide"], label="Operation", value="Add")
    result = gr.Textbox(label="Result", interactive=False)
    calculate_btn = gr.Button("Calculate")

    calculate_btn.click(calculator, inputs=[a, b, operation], outputs=result)

# Launch the app
demo.launch()