No problem, we've got 8103 and 2615 to multiply
8103 × 2615 = 2615 × (8103)
+ 2615 × 3 resulting in 7845
+ 2615 × 00 that is equal 0
+ 2615 × 100 giving us 261500
+ 2615 × 8000 giving us 20920000

= 21189345
