Alright, let's work through 2601 times 7686 step by step
2601 × 7686 = 7686 × (2601)
+ 7686 × 1 that is equal 7686
+ 7686 × 00 that equals 0
+ 7686 × 600 which equals 4611600
+ 7686 × 2000 what gives us 15372000

= 19991286
