TAMPA, Florida (WFLA) – Burger King trolls his competition with this dealer.

For just eight days, get a Whopper sandwich when you order at McDonald's. Yes, you read that correctly.

"Today, the Burger King brand makes more than 14,000 McDonald's to Burger King restaurants – sort of," says Burger King in a written statement sent to CNBC.

All you have to do is stop by a McDonald's within 600 feet, order the burger in the BK app, and drive off. The app detects your location and brings you to the nearest Burger King.

Order a Whopper for a penny only at McDonald's with the BK app. Yes, you read that correctly. Drive near a McDonald's and use the BK app. no need to go through it. Get yours before the 12th of December.