////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page51.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (Log 5) (^ _Pi 1/2) 6 7 4)

Problem:
(= (cdot #[[1609 4379 1243 4100 3746 75 9333]
           [2261 8763 9525 6013 5426 8517 7219]
           [1264 7891 4741 7898 7707 6577 6463]
           [133 8780 9317 9610 7999 6630 3021]
           [7155 6289 9724 52 2932 4676 1996]
           [3361 6617 4637 572 7552 1796 3749]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[1772] [4538] [5090] [5516] [272] [9816]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[982128941288758305373]
     [-11835782069313656816419]
     [3844198929588771546954]
     [202615267984954334822]
     [5990075804875232781163]
     [1653600385664477440640]
     [2365449303845095625612]])