No problem, we've got 2136 and 591 to multiply
2136 × 591 = 591 × (2136)
+ 591 × 6 that equals 3546
+ 591 × 30 what gives us 17730
+ 591 × 100 what gives us 59100
+ 591 × 2000 what gives us 1182000

= 1262376
