Change Tiles

function changeTiles(input) {
    let areaSide = Number(input[0]);
    let tileWidth = Number(input[1]);
    let tileLength = Number(input[2]);
    let benchWidth = Number(input[3]);
    let benchLength = Number(input[4]);

    let area = areaSide * areaSide - benchLength * benchWidth;
    let tileArea = tileWidth * tileLength;
    let tiles = area / tileArea;
    let time = tiles * 0.2;

    console.log(`${tiles}\n${time}`);
    return;
}