app.py

import gradio as gr

def calculate(num1, operation, num2):
    try:
        if operation == "Addition (+)":
            result = num1 + num2
        elif operation == "Subtraction (-)":
            result = num1 - num2
        elif operation == "Multiplication (×)":
            result = num1 * num2
        elif operation == "Division (÷)":
            result = num1 / num2
        elif operation == "Modulus (%)":
            result = num1 % num2
        elif operation == "Power (^)":
            result = num1 ** num2
        elif operation == "Floor Division (//)":
            result = num1 // num2
        else:
            return "Invalid operation selected."
        return f"Result: {result}"
    except Exception as e:
        return f"Error: {e}"

with gr.Blocks() as demo:
    gr.Markdown("## 🧮 Simple Calculator")
    with gr.Row():
        num1 = gr.Number(label="First Number")
        operation = gr.Dropdown(
            ["Addition (+)", "Subtraction (-)", "Multiplication (×)", "Division (÷)",
             "Modulus (%)", "Power (^)", "Floor Division (//)"],
            label="Operation"
        )
        num2 = gr.Number(label="Second Number")
    calculate_button = gr.Button("Calculate")
    result_output = gr.Textbox(label="Result")

    calculate_button.click(fn=calculate, inputs=[num1, operation, num2], outputs=result_output)

demo.launch()