Паставь место * цифру 51*3+2*1*=*08*, 4*23+12**=*2*5 , **3*-25*6=1*44, *52*-*7*8=3*94

   51*3      5173             4*23         4023            **3*       3630          *52*      7522
+           +                   +              +                  -              -               -            -
   2*1*       2910             12**         1222            25*6      2586          *7*8      3728
                                                        
   *08*       8083             *2*5         5245            1*44      1044         3*94      3794