import gradio as gr

def calculator(イワシの値段, operation, num2):
    if operation == "add":
        return イワシの値段 + num2
    elif operation == "subtract":
        return イワシの値段 - num2
    elif operation == "multiply":
        return イワシの値段 * num2
    elif operation == "divide":
        if num2 == 0:
            raise gr.Error("Cannot divide by zero!")
        return イワシの値段 / num2

demo = gr.Interface(
    calculator,
    [
        "number", 
        gr.Radio(["add", "subtract", "multiply", "divide"]),
        "number"
    ],
    "number",
    examples=[
        [5, "add", 3],
        [4, "divide", 2],
        [-4, "multiply", 2.5],
        [0, "subtract", 1.2],
    ],
    title="イワシの値段による「サンガスタジアム by KYOCERA」の観客動員予測",
    description="「サンガスタジアム by KYOCERA」で行われる京都サンガFCのJ1リーグの直近の試合の観客動員数をイワシの値段から予測する。",
)
demo.launch()