<h3>¿Alcohol o gasolina?</h3><br><br> <meta charset="UTF-8"><br><br><script><br> var litrosGasolina = 40 <br> var litrosAlcohol = 40<br> var kilometro1 = 480<br> var kilometro2 = 300 <br>
<meta charset="UTF-8"><br><script><br><br>alert ("Introduciendo una variable? ");<br><br>var number = 8<br><br> document.write(number + " por 1 es " + number * 1 + "<br>");<br>