${(884601949 | 817540281)?c}

If you encountered this in a specific file (like a .ftl file), it is likely an attempt to print two unique identifiers in a format that a downstream system can read without formatting errors.

Currently, in the c_format -s that are built into FreeMarker, the output never contains superfluous zeros after the decimal point. Apache FreeMarker Built-ins for strings - Apache FreeMarker Manual ${(884601949 817540281)?c}

Are you looking to with this specific code, or do you need help implementing FreeMarker in a project? Built-ins for numbers - Apache FreeMarker Manual If you encountered this in a specific file (like a