No problem, we've got 1089 and 6220 to multiply
1089 × 6220 = 6220 × (1089)
+ 6220 × 9 resulting in 55980
+ 6220 × 80 that is equal 497600
+ 6220 × 000 giving us 0
+ 6220 × 1000 what gives us 6220000

= 6773580
