No problem, we've got 7854 and 5105 to multiply
7854 × 5105 = 5105 × (7854)
+ 5105 × 4 which equals 20420
+ 5105 × 50 which equals 255250
+ 5105 × 800 resulting in 4084000
+ 5105 × 7000 producing 35735000

= 40094670
