No problem, we've got 2139 and 9725 to multiply
2139 × 9725 = 9725 × (2139)
+ 9725 × 9 which equals 87525
+ 9725 × 30 resulting in 291750
+ 9725 × 100 yielding 972500
+ 9725 × 2000 that results in 19450000

= 20801775
