No problem, we've got 7844 and 3906 to multiply
7844 × 3906 = 3906 × (7844)
+ 3906 × 4 yielding 15624
+ 3906 × 40 producing 156240
+ 3906 × 800 that is equal 3124800
+ 3906 × 7000 resulting in 27342000

= 30638664
