No problem, we've got 5642 and 7081 to multiply
5642 × 7081 = 7081 × (5642)
+ 7081 × 2 giving us 14162
+ 7081 × 40 that is equal 283240
+ 7081 × 600 producing 4248600
+ 7081 × 5000 resulting in 35405000

= 39951002
