No problem, we've got 4257 and 8539 to multiply
4257 × 8539 = 8539 × (4257)
+ 8539 × 7 which equals 59773
+ 8539 × 50 that is equal 426950
+ 8539 × 200 producing 1707800
+ 8539 × 4000 resulting in 34156000

= 36350523
