How to Async Calculate Factorial in Dart - Code Snippet

// Task: Async Calculate Factorial
// Language: Dart

void asyncCalculateFactorial() {
    // Implementation for Async Calculate Factorial
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Calculate Factorial
    print("Done");
}