We're going to solve 2121 multiplied by 8360
2121 × 8360 = 8360 × (2121)
+ 8360 × 1 yielding 8360
+ 8360 × 20 what gives us 167200
+ 8360 × 100 which equals 836000
+ 8360 × 2000 giving us 16720000

= 17731560
