my country is a country short of water. According to the 1999 China Water Resources Bulletin, my country's per capita water resources are about 2,200 cubic meters, accounting for only 25% of the world's per capita level. What is the average cubic meter of water per capita in the world?
我国是一个缺水的国家．根据1999年中国水资源公报，我国人均水资源约为2200立方米，仅占世界人均水平的25%．世界人均水资源是多少立方米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2_200 / (1/4)</gadget>
<output>8_800</output>

<result>8_800</result>