The total investment of the 2010 Shanghai World Expo is 18 billion RMB, of which the venue investment is 9 billion RMB, accounting for the total investment.
2010年上海世博会总投资180亿人民币，其中场馆投资90亿人民币，占总投资的多少．
<gadget id="calculator">90 / 180</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>