No problem, we've got 2645 and 1803 to multiply
2645 × 1803 = 1803 × (2645)
+ 1803 × 5 producing 9015
+ 1803 × 40 what gives us 72120
+ 1803 × 600 that is equal 1081800
+ 1803 × 2000 giving us 3606000

= 4768935
