No problem, we've got 3830 and 8421 to multiply
3830 × 8421 = 8421 × (3830)
+ 8421 × 0 giving us 0
+ 8421 × 30 giving us 252630
+ 8421 × 800 that is equal 6736800
+ 8421 × 3000 giving us 25263000

= 32252430
