app.py

import gradio as gr

def volume (l,w,h):
    c = (l*w*h)/3
    return c

iface = gr.Interface(fn=volume, 
                     inputs= [gr.Number (label= 'Length'), gr.Number (label= 'Width'), gr.Number (label= 'Height')],
                     title= 'Volume of an elliposid lesion',
                     outputs= [gr.Number (label= 'Volume')])
iface.launch()