Pakistan Debt

1 million = 10 Lakh         [ 1000 thousands]

1 billion  = 1 Arab           [ 1000 million ]

1 trillion  = 10 Kharab     [1000000 million, 1000 billion ]

Pakistan Debt (USD) :
 [72978 million, 72.978 billion, 72978000000 ] 

http://www.tradingeconomics.com/pakistan/external-debt