No problem, we've got 2147 and 6290 to multiply
2147 × 6290 = 6290 × (2147)
+ 6290 × 7 that results in 44030
+ 6290 × 40 resulting in 251600
+ 6290 × 100 yielding 629000
+ 6290 × 2000 what gives us 12580000

= 13504630
