Alright, let's work through 2403 times 9855 step by step
2403 × 9855 = 9855 × (2403)
+ 9855 × 3 yielding 29565
+ 9855 × 00 resulting in 0
+ 9855 × 400 that equals 3942000
+ 9855 × 2000 that is equal 19710000

= 23681565
