2436
In fact , the gas price difference between the two places is larger than 2 mao and 9 fen because China 's gas price does not include so many taxes as in the US ; for example , the highway maintenance fee in China is paid separately .
 cardinal: two; money: 2 mao and 9 fen; geographical social political: China; geographical social political: US; geographical social political: China
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 cardinal: two; money: 2 mao and 9 fen; geographical social political: China; geographical social political: US; geographical social political: China