We're going to solve 1625 multiplied by 1625
1625 × 1625 = 1625 × (1625)
+ 1625 × 5 producing 8125
+ 1625 × 20 giving us 32500
+ 1625 × 600 yielding 975000
+ 1625 × 1000 which equals 1625000

= 2640625
