No problem, we've got 2555 and 4136 to multiply
2555 × 4136 = 4136 × (2555)
+ 4136 × 5 which equals 20680
+ 4136 × 50 that is equal 206800
+ 4136 × 500 yielding 2068000
+ 4136 × 2000 that equals 8272000

= 10567480
