No problem, we've got 4937 and 1643 to multiply
4937 × 1643 = 1643 × (4937)
+ 1643 × 7 which equals 11501
+ 1643 × 30 what gives us 49290
+ 1643 × 900 yielding 1478700
+ 1643 × 4000 that equals 6572000

= 8111491
