калькулятор

<div class="uCalc_331751"></div>
<script>     var widgetOptions331751 = {         bg_color: "transparent"     };     (function() {         var a = document.createElement("script"), h = "head";         a.async = true;         a.src = (document.location.protocol == "https:" ? "https:" : "http:") + "//ucalc.pro/api/widget.js?id=331751&t="+Math.floor(new Date()/18e5);         document.getElementsByTagName(h)[0].appendChild(a)     })(); </script>