No problem, we've got 3845 and 4225 to multiply
3845 × 4225 = 4225 × (3845)
+ 4225 × 5 producing 21125
+ 4225 × 40 resulting in 169000
+ 4225 × 800 what gives us 3380000
+ 4225 × 3000 that results in 12675000

= 16245125
