app.py

```python
import gradio as gr

def add_numbers(num1, num2):
    result = num1 + num2
    return result

inputs = [gr.inputs.Number(label="Number 1"), gr.inputs.Number(label="Number 2")]
output = gr.outputs.Text(label="Result")

gr.Interface(fn=add_numbers, inputs=inputs, outputs=output, title="Addition of Two Numbers").launch()
```