Two ancient(古代) kings enjoyed playing chess. The winner claimed(要求) a prize from the loser. After one match(比賽), the winning king asked the losing king to pay him by placing one grain(粒) of wheat(小麥) on the first square(方格) of the chessboard, two grains on the second square, four on the third, and so on, with the number doubling(加倍) on each square until all 64 squares were filled.
兩位古代的國王喜歡下棋。贏家向輸家要求一個獎。在一次比賽後，贏的國王要求輸的國王在第一格棋盤上放上一個小麥穀粒，第二格放兩個穀粒，第三格四個，等等，每個正方形數字加倍直到64個格子全被填滿。
