fitness card

function fitnessCard(arg1, arg2, arg3, arg4) {
    let totalSum = Number(arg1);
    let gender = arg2;
    let age = Number(arg3);
    let sport = arg4;
    let students = "";
    let money = 0;

    switch (gender) {
        case "m":
            switch (sport) {
                case "Gym":
                    totalSum = 42;
                case "Boxing":
                    totalSum = 41;
                case "Yoga":
                    totalSum = 45;
                case "Zumba":
                    totalSum = 34;
                case "Dances":
                    totalSum = 51;
                case "Pilates":
                    totalSum = 39;
                    break;
            }
        case "f":
            switch (sport) {
                case "Gym":
                    totalSum = 35;
                case "Boxing":
                    totalSum = 37;
                case "Yoga":
                    totalSum = 42;
                case "Zumba":
                    totalSum = 31;
                case "Dances":
                    totalSum = 53;
                case "Pilates":
                    totalSum = 37;
                    break;
            }
            break;
    }
    if (age <= 19) {
        totalSum = totalSum * 0.8;
    } else {
        totalSum;
    }

    if (totalSum >= money) {
        console.log(`You purchased a 1 month pass for ${sport}.`);

    } else {
        console.log(`You don't have enough money! You need ${(money - totalSum).toFixed(2)} more.`);
    }
}

fitnessCard("20", "f", "15", "Yoga");