No problem, we've got 2635 and 4800 to multiply
2635 × 4800 = 4800 × (2635)
+ 4800 × 5 producing 24000
+ 4800 × 30 that is equal 144000
+ 4800 × 600 resulting in 2880000
+ 4800 × 2000 that equals 9600000

= 12648000
