No problem, we've got 1930 and 8103 to multiply
1930 × 8103 = 8103 × (1930)
+ 8103 × 0 that equals 0
+ 8103 × 30 resulting in 243090
+ 8103 × 900 producing 7292700
+ 8103 × 1000 resulting in 8103000

= 15638790
