No problem, we've got 2181 and 1151 to multiply
2181 × 1151 = 1151 × (2181)
+ 1151 × 1 that results in 1151
+ 1151 × 80 which equals 92080
+ 1151 × 100 what gives us 115100
+ 1151 × 2000 giving us 2302000

= 2510331
