Alright, let's work through 26343879 times 12680173 step by step
26343879 × 12680173 = 12680173 × (26343879)
+ 12680173 × 9 producing 114121557
+ 12680173 × 70 yielding 887612110
+ 12680173 × 800 yielding 10144138400
+ 12680173 × 3000 producing 38040519000
+ 12680173 × 40000 what gives us 507206920000
+ 12680173 × 300000 that is equal 3804051900000
+ 12680173 × 6000000 resulting in 76081038000000
+ 12680173 × 20000000 that is equal 253603460000000

= 334044943211067
