Alright, let's work through 2711 times 605 step by step
2711 × 605 = 605 × (2711)
+ 605 × 1 that is equal 605
+ 605 × 10 which equals 6050
+ 605 × 700 that is equal 423500
+ 605 × 2000 that equals 1210000

= 1640155
