                                 

         361            361        361            4      361-4=357                             50              50    357-2=355       50               50        50      

           50x50=2500                  50       50               2500x2500x 2500   50  2500     50050=50100      170                                        1100    50     100               1000 500     1    14000      24         500      100       100   36525     100       11         170      1059                   

                                                        10  20             30         1060    61   100          

                      