Alright, let's work through 7754 times 405 step by step
7754 × 405 = 405 × (7754)
+ 405 × 4 which equals 1620
+ 405 × 50 what gives us 20250
+ 405 × 700 what gives us 283500
+ 405 × 7000 what gives us 2835000

= 3140370
