No problem, we've got 2106 and 2178 to multiply
2106 × 2178 = 2178 × (2106)
+ 2178 × 6 which equals 13068
+ 2178 × 00 that is equal 0
+ 2178 × 100 that equals 217800
+ 2178 × 2000 resulting in 4356000

= 4586868
