The total amount of water resources in my country is about 2.8 trillion cubic meters, and the per capita occupancy is about 2200 cubic meters, which is only 1/4 of the world's per capita occupancy. What is the per capita share of the world,
我国水资源总量约28000亿立方米，人均占有量约2200立方米，只有世界人均占有量的(1/4)．世界人均占有量是多少、
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<result>8_800</result>