No problem, we've got 1009 and 8139 to multiply
1009 × 8139 = 8139 × (1009)
+ 8139 × 9 resulting in 73251
+ 8139 × 00 producing 0
+ 8139 × 000 that is equal 0
+ 8139 × 1000 that equals 8139000

= 8212251
