app.py

import gradio as gr

def calculate_bmi(height, weight):
    bmi = weight / (height/100)**2
    return f"Your BMI is: {bmi:.2f}"

demo = gr.Interface(
    fn=calculate_bmi,
    inputs=[gr.Number(label="Height (cm)"), gr.Number(label="Weight (kg)")],
    outputs="text"
)
demo.launch()