Question: How long is the race track of the 2007 Italian Motorcycle Grand Prix?

Related documents: [0]  [DOC] The 2007 Italian motorcycle Grand Prix was the sixth round of the 2007 MotoGP championship. It took place on the weekend of 1–3 June 2007 at the Mugello Circuit. [END] 
[1]  [DOC] Mugello Circuit ("Autodromo Internazionale del Mugello" ) is a race track in Scarperia e San Piero, Tuscany, Italy. Its length is 5.245 km . It has 15 turns and a long straight (1.141 km ). The circuit stadium stands have a capacity of 50,000. [END]  
Answer: 5.245 km
5.245 km