No problem, we've got 3901 and 6538 to multiply
3901 × 6538 = 6538 × (3901)
+ 6538 × 1 that results in 6538
+ 6538 × 00 which equals 0
+ 6538 × 900 that results in 5884200
+ 6538 × 3000 that results in 19614000

= 25504738
