No problem, we've got 7821 and 2168 to multiply
7821 × 2168 = 2168 × (7821)
+ 2168 × 1 resulting in 2168
+ 2168 × 20 giving us 43360
+ 2168 × 800 producing 1734400
+ 2168 × 7000 what gives us 15176000

= 16955928
