No problem, we've got 8407 and 3404 to multiply
8407 × 3404 = 3404 × (8407)
+ 3404 × 7 giving us 23828
+ 3404 × 00 that equals 0
+ 3404 × 400 giving us 1361600
+ 3404 × 8000 resulting in 27232000

= 28617428
