Type Bilangan

?HTML?
?HEAD?
?TITLE?Type Bilangan?/TITLE?
?/HEAD?
?BODY?
?SCRIPT LANGUAGE = "JavaScript"?
?!--
var a= 15;
b= 14;
tambah =a + b;
kali = a*b;
document.write ("Penambahan (" +a+ " + " +b+ ") = " + tambah);
document.write ("
");
document.write("Perkalian (" +a+ " * " +b+ ")=" + kali);
document.write ("
");
//--?
?/SCRIPT?
?/BODY?
?/HTML?