Alright, let's work through 1618 times 1647 step by step
1618 × 1647 = 1647 × (1618)
+ 1647 × 8 which equals 13176
+ 1647 × 10 that is equal 16470
+ 1647 × 600 that equals 988200
+ 1647 × 1000 producing 1647000

= 2664846
