Question: What was the length (to 3 decimals) of the road course at which the 1957 Pescara Grand Prix was held?

Related documents: [0]  [DOC] The Pescara Circuit was a 16.032 mi road race course near Pescara, Italy. The staggering length was the longest of any open-wheel championship event. [END] 
[1]  [DOC] The 1957 Pescara Grand Prix was a Formula One motor race, held on 18 August 1957, at the Pescara Circuit near Pescara in Italy. It was race 7 of 8 in the 1957 World Championship of Drivers. The race, which was the only Formula One World Championship race at the track, was held at the longest ever circuit to stage a Formula One World Championship Grand Prix. The track is 25 km/16 miles long and is now part of the SR16bis on the coast of Pescara. It was also the first of the two consecutive Italian races, and after the subsequent race at Monza was complete, it became the first time that two Formula One World Championship races had been held in the same country in the same year. [END]  
Answer: 16.032 mi
16.032 mi