No problem, we've got 8315 and 2103 to multiply
8315 × 2103 = 2103 × (8315)
+ 2103 × 5 that is equal 10515
+ 2103 × 10 that is equal 21030
+ 2103 × 300 resulting in 630900
+ 2103 × 8000 what gives us 16824000

= 17486445
