No problem, we've got 2907 and 2190 to multiply
2907 × 2190 = 2190 × (2907)
+ 2190 × 7 that equals 15330
+ 2190 × 00 resulting in 0
+ 2190 × 900 that equals 1971000
+ 2190 × 2000 that results in 4380000

= 6366330
