<!DOCTYPE html>
<html lang="pt">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Álcool ou Gasolina ?</title>
</head>
<body>
    <h3>Álcool ou Gasolina ?</h3>
    <script>
        const tanque = 40;
        let caminhoComGasolina = 480;
        let caminhoComAlcool = 300;
        consumoDeGasolina = caminhoComGasolina/tanque;
        consumoDeAlcool = caminhoComAlcool/tanque;
        document.write("O Consumo de Gasolina é: " + consumoDeGasolina +" litros/km <br><br>");
        document.write("O Consumo de Álcool é: " + consumoDeAlcool +" litros/km");
    </script>
</body>
</html>