function transportCosts(data) {
    var totalDistance = Number(data[0]);
    var dayTime = data[1];

    var sumTaxiDay = 0.7 + totalDistance * 0.79;
    var sumTaxiNight = 0.7 + totalDistance * 0.90;
    var sumBus = totalDistance * 0.09;
    var sumTrain = totalDistance * 0.06;

    if (totalDistance < 20 && dayTime == "day") {
        console.log(sumTaxiDay.toFixed(2));
    }
    else if (totalDistance < 20 && dayTime == "night") {
        console.log(sumTaxiNight.toFixed(2));
    }
    else if (totalDistance >= 20 && totalDistance <= 100) {
        console.log(sumBus.toFixed(2));
    }
    else {
        console.log(sumTrain.toFixed(2));
    }
}

transportCosts(['180', 'night']);