No problem, we've got 5715 and 3685 to multiply
5715 × 3685 = 3685 × (5715)
+ 3685 × 5 that is equal 18425
+ 3685 × 10 that results in 36850
+ 3685 × 700 that is equal 2579500
+ 3685 × 5000 which equals 18425000

= 21059775
