No problem, we've got 3690 and 2207 to multiply
3690 × 2207 = 2207 × (3690)
+ 2207 × 0 that equals 0
+ 2207 × 90 giving us 198630
+ 2207 × 600 resulting in 1324200
+ 2207 × 3000 producing 6621000

= 8143830
