SCREEN [2]

Number 1 = 7885
Number 2 = 88


  0       100        10      

---

    7000     800     80     5
+  0        0      80     8
--------------------------------------------------------------------------
 <-{0}+    <-{0}+     <-{100}+     <-{10}+
    7000     900     70     3



Result = 0 + 7000 + 900 + 70 + 3;
Result = 7973

SCREEN [3]

Number 1 = 7885
Number 2 = 88


  0000     100     10     

---

    7000    800    80    5
+  000      00      80    8
--------------------------------------------------------------------------
 <-{00000}+     <-{0000}+       <-{100}+       <-{10}+
   7000    900    70    3

Result = 7973

SCREEN [4]

Number 1 = 7885
Number 2 = 88


     0   1   1   

---

    7   8   8   5
+            8   8
--------------------------------------------------------------------------
   0 7   9   7   3



Result = 7973