No problem, we've got 3638 and 697 to multiply
3638 × 697 = 697 × (3638)
+ 697 × 8 that is equal 5576
+ 697 × 30 which equals 20910
+ 697 × 600 what gives us 418200
+ 697 × 3000 resulting in 2091000

= 2535686
