Oscars Ceremony

function oscarsCeremony(input) {
    let hallRent = Number(input[0]);
    let statues = hallRent * 0.7;
    let catering = statues * 0.85;
    let soundSystem = catering / 2;
    let sum = hallRent + statues + catering + soundSystem;
    console.log(`${sum.toFixed(2)}`);
}