We're going to solve 1251 multiplied by 1797
1251 × 1797 = 1797 × (1251)
+ 1797 × 1 that is equal 1797
+ 1797 × 50 resulting in 89850
+ 1797 × 200 which equals 359400
+ 1797 × 1000 giving us 1797000

= 2248047
