The Browns then traveled to take on the Bengals in Game 2 of the Battle of Ohio.  In the first quarter, the Browns took an early 3-0 lead when Zane Gonzalez kicked a 27-yard field goal.  Though, though the Bengals responded when Andy Dalton found Tyler Boyd on an 8-yard pass to make it 7-3.  In the second quarter, the Bengals increased their lead with 3 field goals kicked by Randy Bullock:  from 31, 49, and 21 yards out to make the score 10-3, 13-3, and 16-3.  The Browns made it 16-6 before halftime when Gonzalez kicked a 21-yard field goal.  The Bengals moved further ahead when Dalton found Tyler Kroft on a 1-yard pass to make it 23-6.  The Browns came within 2 touchdowns when Gonzalez kicked his third field goal of the day from 39 yards out to make it 23-9 in the third quarter.  In the fourth quarter, DeShone Kizer ran for a 3-yard touchdown to make it 23-16.  Though later on, the Bengals sealed the game when Joe Mixon ran for an 11-yard touchdown. The Browns' losing streak continued as they fell to the Bengals 30-16.  With the loss, the Browns fell to 0-11, losing their 12th consecutive game, their 18th consecutive road game, and their 15th consecutive divisional matchup, and combined with a Bills victory over the Chiefs, eliminated them from playoff contention. The loss ensured that the Browns would finish in 4th place in the AFC North for the 7th consecutive season.
Question: How many yards was Gonzalez's second field goal of the game?
Answer: 21