## Код:
```
MODULE Test77;
IMPORT Streams;
PROCEDURE Do*;
VAR buffer := NEW Streams.Buffer(256);
BEGIN
   buffer := buffer + "Hello" + 20X + 123 + 20X + 567.89;
   VAR data := buffer.GetStringCopy();
   TRACE(data^);
END Do;
END Test77.

Test77.Do~
System.Free Test77~
```

>>>
{Test77.Do@185:data^= Hello 123 5.6789E+2;}