app.py

import gradio as gr

def calculator(operator, num1, num2):
  if operator == "+":
    result = num1 + num2

  elif operator == "-":
    result = num1 - num2

  elif operator == "*":
    result = num1 * num2

  elif operator == "/":
    if num2 != 0:
      result = num1/num2
    else:
      return "Error, Division by zero not allowed"

  else:
    return f"Error, {operator} is invalid. Please try again "

  return result

iface  = gr.Interface(   fn=calculator,
    inputs=["text","number","number"],
    outputs="text")


iface.launch(share=True)