No problem, we've got 3337 and 8400 to multiply
3337 × 8400 = 8400 × (3337)
+ 8400 × 7 that is equal 58800
+ 8400 × 30 resulting in 252000
+ 8400 × 300 that equals 2520000
+ 8400 × 3000 that equals 25200000

= 28030800
