Know about bitcoin first..

1 Sathoshi = 0.00001 mBTC
1 mBTC     = 100000 Sathoshi
1 mBTC     = 1000 Bits 
1 BTC      = 1000000 Bits
1 BTC      = 1000 mBTC
1 BTC      = 100000000 sathoshi

Now calculate how you have got?!!!!!