John is an eccentric millionaire. He decides to fill his swimming pool with bottled water. A cubic foot of water is 25 liters. His pool is 10 feet deep and 6 feet by 20 feet. A liter of water costs $3. How much does it cost to fill the pool? Let's be accurate as possible.
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The pool is 10 * 6 * 20 = 1200 cubic feet. That means it is 25 * 1200 = 30000 liters. So it cost 3 * 30,000 = $90,000.
The answer: 90000.
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