use project_euler::number::Number;

fn main() {
    let width = Number::from(20);
    let height = Number::from(20);
    let a = (width.clone()+height.clone()).fact();
    let b = width.clone().fact()*height.clone().fact();
    let euler_15 = a/b;
    println!("({width}+{height})!/{width}!*{height}!={euler_15}");
}