function kve1() {
var a = document.forms["calc1"].elements["a"].value;
var b = document.forms["calc1"].elements["b"].value;
var c = document.forms["calc1"].elements["c"].value;
var result = Math.round((((a*b) / (c*6354)))*1000)/1000;
 
document.forms["calc1"].elements["result"].value = result;
return false;
}