No problem, we've got 2170 and 5541 to multiply
2170 × 5541 = 5541 × (2170)
+ 5541 × 0 what gives us 0
+ 5541 × 70 yielding 387870
+ 5541 × 100 that results in 554100
+ 5541 × 2000 that equals 11082000

= 12023970
