How to perform 'Async Subtract Dates' in Pascal.
// Task: Async Subtract Dates
// Language: Pascal
procedure async_subtract_dates() begin
// Implementation for Async Subtract Dates
var result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Subtract Dates
WriteLn("Done");
end;