No problem, we've got 8507 and 4139 to multiply
8507 × 4139 = 4139 × (8507)
+ 4139 × 7 resulting in 28973
+ 4139 × 00 that is equal 0
+ 4139 × 500 that results in 2069500
+ 4139 × 8000 resulting in 33112000

= 35210473
