Cylinder Volume

var input = [ {
        radius: 2,
        height: 4
    }, {
        radius: 5,
        height: 8
    }, {
        radius: 12,
        height: 3
    }
];

function calcCylinder(value) {
    var volume = Math.PI * value.radius * value.radius * value.height;
    console.log(volume.toFixed(3));
}

input.forEach(calcCylinder);