Alright, let's work through 2655 times 9639 step by step
2655 × 9639 = 9639 × (2655)
+ 9639 × 5 what gives us 48195
+ 9639 × 50 that equals 481950
+ 9639 × 600 which equals 5783400
+ 9639 × 2000 resulting in 19278000

= 25591545
