Repainting SoftUni task

function repainting(input) {
    let nylon = Number(input[0]);
    let paint = Number(input[1]);
    let razreditel = Number(input[2]);
    let chasoveMaistori = Number(input[3]);
    let torbichki = 0.4;
    let nylonPrice = (nylon + 2) * 1.5;
    let paintPrice = paint * 14.5;
    let razreditelPrice = razreditel * 5;

    let sumOfMaterials = (nylonPrice + paintPrice + razreditelPrice) + ((paint * 0.1) * 14.5) + (torbichki);
    let rabotniciPayment = (sumOfMaterials * 0.30) * chasoveMaistori;
    let total = sumOfMaterials + rabotniciPayment;
    console.log(total);
}