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    Work: Calculate the value of equation 2003*3^3-8312.9*3^2+13567*3-6806.4 .
    Question type: Mathematical calculation
    Solution:
          2003*3^3-8312.9*3^2+13567*3-6806.4
        =2003*27-8312.9*3^2+13567*3-6806.4
        =2003*27-8312.9*9+13567*3-6806.4
        =54081-8312.9*9+13567*3-6806.4
        =54081-74816.1+13567*3-6806.4
        =54081-74816.1+40701-6806.4
        =-20735.1+40701-6806.4
        =19965.9-6806.4
        =13159.5
    Answer:2003*3^3-8312.9*3^2+13567*3-6806.4=13159.5

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