No problem, we've got 5171 and 7681 to multiply
5171 × 7681 = 7681 × (5171)
+ 7681 × 1 resulting in 7681
+ 7681 × 70 giving us 537670
+ 7681 × 100 producing 768100
+ 7681 × 5000 which equals 38405000

= 39718451
