Alright, let's work through 2610 times 129 step by step
2610 × 129 = 129 × (2610)
+ 129 × 0 producing 0
+ 129 × 10 giving us 1290
+ 129 × 600 what gives us 77400
+ 129 × 2000 what gives us 258000

= 336690
