No problem, we've got 7903 and 4820 to multiply
7903 × 4820 = 4820 × (7903)
+ 4820 × 3 that results in 14460
+ 4820 × 00 giving us 0
+ 4820 × 900 producing 4338000
+ 4820 × 7000 what gives us 33740000

= 38092460
