Alright, let's work through 4087 times 6299 step by step
4087 × 6299 = 6299 × (4087)
+ 6299 × 7 that equals 44093
+ 6299 × 80 that is equal 503920
+ 6299 × 000 what gives us 0
+ 6299 × 4000 that is equal 25196000

= 25744013
