Alright, let's work through 3874 times 7760 step by step
3874 × 7760 = 7760 × (3874)
+ 7760 × 4 that is equal 31040
+ 7760 × 70 yielding 543200
+ 7760 × 800 what gives us 6208000
+ 7760 × 3000 resulting in 23280000

= 30062240
