No problem, we've got 6844 and 2605 to multiply
6844 × 2605 = 2605 × (6844)
+ 2605 × 4 that is equal 10420
+ 2605 × 40 that equals 104200
+ 2605 × 800 that is equal 2084000
+ 2605 × 6000 giving us 15630000

= 17828620
