No problem, we've got 1492 and 8163 to multiply
1492 × 8163 = 8163 × (1492)
+ 8163 × 2 what gives us 16326
+ 8163 × 90 yielding 734670
+ 8163 × 400 which equals 3265200
+ 8163 × 1000 what gives us 8163000

= 12179196
