You can done this way. Please check
@{
decimal MyLat = 12347;
decimal MyLong = 3494858;
var script = string.Format("<script src='https://maps.googleapis.com/maps/api/place/nearbysearch/json?location={0},{1}&radius=500&types=food&name=cruise&key=MyKey'> </script?", MyLat, MyLong);
}
@Html.Raw(script);