function.js

function jumlahVolumeDuaKubus (a, b) {
    var total, volumeA, volumeB;

    volumeA = a * a * a;
    volumeB = b * b * b;
    total = volumeA + volumeB;

    return total;
}
console.log(jumlahVolumeDuaKubus (8, 3));
console.log(jumlahVolumeDuaKubus (10, 5));
alert(jumlahVolumeDuaKubus (10, 5));