Read this: During his annual state-of-the-nation address on September 2, 2014, President of Mexico Enrique Pena Nieto unveiled plans for a new international airport to ease the city's notorious air traffic congestion, tentatively slated for a 2018 opening. The new airport, which would have six runways, will cost $9.15 billion and would be built on vacant federal land east of Mexico City International Airport. Goals are to eventually handle 120 million passengers a year, which would make it the busiest airport in the world.

How many passengers will the new airport be able to handle?
What is the answer? (If it cannot be answered, return "unanswerable")
120 million