No problem, we've got 2172 and 4151 to multiply
2172 × 4151 = 4151 × (2172)
+ 4151 × 2 yielding 8302
+ 4151 × 70 resulting in 290570
+ 4151 × 100 resulting in 415100
+ 4151 × 2000 yielding 8302000

= 9015972
