No problem, we've got 5253 and 1607 to multiply
5253 × 1607 = 1607 × (5253)
+ 1607 × 3 what gives us 4821
+ 1607 × 50 that results in 80350
+ 1607 × 200 that is equal 321400
+ 1607 × 5000 that results in 8035000

= 8441571
