Alright, let's work through 4260 times 4636 step by step
4260 × 4636 = 4636 × (4260)
+ 4636 × 0 that equals 0
+ 4636 × 60 that is equal 278160
+ 4636 × 200 resulting in 927200
+ 4636 × 4000 that is equal 18544000

= 19749360
