app.py

import gradio as gr 

def calculator(num1, operation, num2):
  if operation == "add":
    return num1 + num2
  elif operation == "subtract":
    return num1 - num2
  elif operation == "multiply":
    return num1 * num2
  elif operation == "divide":
    return num1 / num2

demo = gr.Interface(
    fn=calculator,
    inputs=[
        gr.Number(value=4),
        gr.Radio(["add", "subtract","mulitply","divide"]),
        "number"
    ],
    outputs="number",
    examples=[
        
    ],
    title="Calculator",
    description="Here's a sample **toy calculator**. enjoy! :)"
)

demo.launch()