No problem, we've got 5680 and 1555 to multiply
5680 × 1555 = 1555 × (5680)
+ 1555 × 0 resulting in 0
+ 1555 × 80 giving us 124400
+ 1555 × 600 giving us 933000
+ 1555 × 5000 giving us 7775000

= 8832400
