No problem, we've got 2803 and 6320 to multiply
2803 × 6320 = 6320 × (2803)
+ 6320 × 3 producing 18960
+ 6320 × 00 that equals 0
+ 6320 × 800 resulting in 5056000
+ 6320 × 2000 which equals 12640000

= 17714960
