No problem, we've got 4218 and 6728 to multiply
4218 × 6728 = 6728 × (4218)
+ 6728 × 8 that results in 53824
+ 6728 × 10 that is equal 67280
+ 6728 × 200 which equals 1345600
+ 6728 × 4000 yielding 26912000

= 28378704
