import gradio as gr

def add(a, b):
    return a + b

def multiply(a, b):
    return a * b

def greet(name):
    return f"Hello, {name}!"

demo = gr.Blocks()

with demo:
    gr.Markdown("# Simple Calculator and Greeter")
    gr.Markdown("This demo includes two simple functions: addition, multiplication, and a greeting.")

    with gr.Tab("Addition"):
        a = gr.Number(label="Number 1")
        b = gr.Number(label="Number 2")
        result = gr.Number(label="Result")
        gr.Button("Add").click(add, inputs=[a, b], outputs=result)

    with gr.Tab("Multiplication"):
        a2 = gr.Number(label="Number 1")
        b2 = gr.Number(label="Number 2")
        result2 = gr.Number(label="Result")
        gr.Button("Multiply").click(multiply, inputs=[a2, b2], outputs=result2)

    with gr.Tab("Greeting"):
        name = gr.Textbox(label="Your Name")
        greeting = gr.Textbox(label="Greeting")
        gr.Button("Greet").click(greet, inputs=[name], outputs=greeting)

if __name__ == "__main__":
    demo.launch()