No problem, we've got 8267 and 4200 to multiply
8267 × 4200 = 4200 × (8267)
+ 4200 × 7 resulting in 29400
+ 4200 × 60 giving us 252000
+ 4200 × 200 yielding 840000
+ 4200 × 8000 giving us 33600000

= 34721400
