from .gcd import gcd
import gradio as gr

def lcm(a: int, b: int) -> int:
    """Compute the least common multiple of two integers."""
    if a == 0 or b == 0:
        return 0
    return abs(a * b) // gcd(a, b)

lcm_interface = gr.Interface(
    fn=lcm,
    inputs=[gr.Number(label="A", precision=0), gr.Number(label="B", precision=0)],
    outputs="number",
    title="Least Common Multiple (LCM)",
    description="Compute the least common multiple (LCM) of two integers. The LCM is the smallest positive integer that is a multiple of both numbers.",
    examples=[[4, 6], [21, 6], [0, 5], [7, 7]],
)