We're going to solve 1921 multiplied by 9121
1921 × 9121 = 9121 × (1921)
+ 9121 × 1 yielding 9121
+ 9121 × 20 yielding 182420
+ 9121 × 900 that is equal 8208900
+ 9121 × 1000 that is equal 9121000

= 17521441
