No problem, we've got 2109 and 1252 to multiply
2109 × 1252 = 1252 × (2109)
+ 1252 × 9 resulting in 11268
+ 1252 × 00 what gives us 0
+ 1252 × 100 that is equal 125200
+ 1252 × 2000 that results in 2504000

= 2640468
