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    Work: Calculate the value of equation 7*11*13*211*241*2161*9091 .
    Question type: Mathematical calculation
    Solution:
          7*11*13*211*241*2161*9091
        =77*13*211*241*2161*9091
        =1001*211*241*2161*9091
        =211211*241*2161*9091
        =50901851*2161*9091
        =109998900011*9091
        =1000000000000001
    Answer:7*11*13*211*241*2161*9091=1000000000000001

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