No problem, we've got 8545 and 2620 to multiply
8545 × 2620 = 2620 × (8545)
+ 2620 × 5 that equals 13100
+ 2620 × 40 which equals 104800
+ 2620 × 500 what gives us 1310000
+ 2620 × 8000 resulting in 20960000

= 22387900
