No problem, we've got 2046 and 2155 to multiply
2046 × 2155 = 2155 × (2046)
+ 2155 × 6 which equals 12930
+ 2155 × 40 what gives us 86200
+ 2155 × 000 what gives us 0
+ 2155 × 2000 that results in 4310000

= 4409130
