Among the 224 countries and regions in the world, there are 28 countries that are seriously short of water, and China is one of them. How many percent of the world's countries and regions are the countries with severe water shortages?
全世界有224个国家与地区中，严重缺水的国家有28个，中国就是其中一个．严重缺水国家大约占全世界国家与地区百分之几？
<gadget id="calculator">28 / 224</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>