Alright, let's work through 2740 times 7953 step by step
2740 × 7953 = 7953 × (2740)
+ 7953 × 0 producing 0
+ 7953 × 40 what gives us 318120
+ 7953 × 700 what gives us 5567100
+ 7953 × 2000 what gives us 15906000

= 21791220
