function cambio(clave, cant){
d = 18.64;
l = 25.26
e = 21.83
y = 0.13
if(clave === 'd') return d * cant
if(clave === 'l') return l * cant
if(clave === 'e') return e * cant
if(clave === 'y') return y * cant
}
console.log(cambio('e', 24))
ZnVuY3Rpb24gY2FtYmlvKGNsYXZlLCBjYW50KXsKICBkID0gMTguNjQ7CiAgbCA9IDI1LjI2CiAgZSA9IDIxLjgzCiAgeSA9IDAuMTMKICAKICBpZihjbGF2ZSA9PT0gJ2QnKSByZXR1cm4gZCAqIGNhbnQKICBpZihjbGF2ZSA9PT0gJ2wnKSByZXR1cm4gbCAqIGNhbnQKICBpZihjbGF2ZSA9PT0gJ2UnKSByZXR1cm4gZSAqIGNhbnQKICBpZihjbGF2ZSA9PT0gJ3knKSByZXR1cm4geSAqIGNhbnQKfQoKCmNvbnNvbGUubG9nKGNhbWJpbygnZScsIDI0KSkK