Alright, let's work through 2700 times 7644 step by step
2700 × 7644 = 7644 × (2700)
+ 7644 × 0 what gives us 0
+ 7644 × 00 producing 0
+ 7644 × 700 that is equal 5350800
+ 7644 × 2000 that equals 15288000

= 20638800
