No problem, we've got 2028 and 6690 to multiply
2028 × 6690 = 6690 × (2028)
+ 6690 × 8 what gives us 53520
+ 6690 × 20 that equals 133800
+ 6690 × 000 resulting in 0
+ 6690 × 2000 that equals 13380000

= 13567320
