No problem, we've got 2343 and 620 to multiply
2343 × 620 = 620 × (2343)
+ 620 × 3 giving us 1860
+ 620 × 40 yielding 24800
+ 620 × 300 what gives us 186000
+ 620 × 2000 what gives us 1240000

= 1452660
