No problem, we've got 3670 and 1236 to multiply
3670 × 1236 = 1236 × (3670)
+ 1236 × 0 what gives us 0
+ 1236 × 70 that equals 86520
+ 1236 × 600 resulting in 741600
+ 1236 × 3000 producing 3708000

= 4536120
