The second chapter of the manual begins. Its title means to raise a war. Yet the opening passage is not tactics but arithmetic.
Sun Tzu counts the carts. He counts the soldiers in armour, and the grain hauled a thousand li. Then he writes down the daily price.
日費千金, 然後十萬之師舉矣
ri fei qian jin, ran hou shi wan zhi shi ju yi
A thousand pieces of gold a day. Only then can an army of a hundred thousand be raised. (The Art of War, Waging War, translated directly)