AI solution for React Quiz on BFE.dev
5. Automatic batching 1

The code will output "App 2" in the console. This is because the useState hook initializes state to 0, and then the button's onClick handler calls setState twice - first adding 1 to the current value of state, which updates it to 1, and then multiplying that value by 2, which updates it to 2. The console.log statement inside the App component then logs the updated value of state, which is 2.