No problem, we've got 6854 and 2220 to multiply
6854 × 2220 = 2220 × (6854)
+ 2220 × 4 yielding 8880
+ 2220 × 50 that equals 111000
+ 2220 × 800 giving us 1776000
+ 2220 × 6000 giving us 13320000

= 15215880
