No problem, we've got 6636 and 2690 to multiply
6636 × 2690 = 2690 × (6636)
+ 2690 × 6 that equals 16140
+ 2690 × 30 that equals 80700
+ 2690 × 600 what gives us 1614000
+ 2690 × 6000 that equals 16140000

= 17850840
