No problem, we've got 4828 and 8721 to multiply
4828 × 8721 = 8721 × (4828)
+ 8721 × 8 giving us 69768
+ 8721 × 20 resulting in 174420
+ 8721 × 800 what gives us 6976800
+ 8721 × 4000 producing 34884000

= 42104988
