A supersonic aircraft consumes 5320 imperial gallons of kerosene per hour of flight and flies an average of 14 hours per day. It takes roughly seven tons of crude oil to produce one ton of kerosene. The density of kerosene is 0.965 g/cm³. How many planes would it take to consume the entire annual world production of 4.02 x 10⁹ metric tons of crude oil?