No problem, we've got 1245 and 6423 to multiply
1245 × 6423 = 6423 × (1245)
+ 6423 × 5 yielding 32115
+ 6423 × 40 that results in 256920
+ 6423 × 200 resulting in 1284600
+ 6423 × 1000 that is equal 6423000

= 7996635
