Alright, let's work through 7857 times 894 step by step
7857 × 894 = 894 × (7857)
+ 894 × 7 what gives us 6258
+ 894 × 50 which equals 44700
+ 894 × 800 giving us 715200
+ 894 × 7000 yielding 6258000

= 7024158
