No problem, we've got 8539 and 4939 to multiply
8539 × 4939 = 4939 × (8539)
+ 4939 × 9 that results in 44451
+ 4939 × 30 that equals 148170
+ 4939 × 500 resulting in 2469500
+ 4939 × 8000 that results in 39512000

= 42174121
