No problem, we've got 3453 and 6347 to multiply
3453 × 6347 = 6347 × (3453)
+ 6347 × 3 yielding 19041
+ 6347 × 50 that is equal 317350
+ 6347 × 400 that results in 2538800
+ 6347 × 3000 that results in 19041000

= 21916191
