No problem, we've got 4181 and 4685 to multiply
4181 × 4685 = 4685 × (4181)
+ 4685 × 1 that results in 4685
+ 4685 × 80 that equals 374800
+ 4685 × 100 that results in 468500
+ 4685 × 4000 producing 18740000

= 19587985
