No problem, we've got 2156 and 7996 to multiply
2156 × 7996 = 7996 × (2156)
+ 7996 × 6 what gives us 47976
+ 7996 × 50 giving us 399800
+ 7996 × 100 yielding 799600
+ 7996 × 2000 producing 15992000

= 17239376
