No problem, we've got 1225 and 3581 to multiply
1225 × 3581 = 3581 × (1225)
+ 3581 × 5 giving us 17905
+ 3581 × 20 resulting in 71620
+ 3581 × 200 that equals 716200
+ 3581 × 1000 that results in 3581000

= 4386725
