No problem, we've got 1681 and 4420 to multiply
1681 × 4420 = 4420 × (1681)
+ 4420 × 1 giving us 4420
+ 4420 × 80 resulting in 353600
+ 4420 × 600 producing 2652000
+ 4420 × 1000 that is equal 4420000

= 7430020
