No problem, we've got 3656 and 3145 to multiply
3656 × 3145 = 3145 × (3656)
+ 3145 × 6 what gives us 18870
+ 3145 × 50 which equals 157250
+ 3145 × 600 that equals 1887000
+ 3145 × 3000 that is equal 9435000

= 11498120
