Alright, let's work through 26106493 times 72005097 step by step
26106493 × 72005097 = 72005097 × (26106493)
+ 72005097 × 3 what gives us 216015291
+ 72005097 × 90 which equals 6480458730
+ 72005097 × 400 what gives us 28802038800
+ 72005097 × 6000 resulting in 432030582000
+ 72005097 × 00000 which equals 0
+ 72005097 × 100000 that is equal 7200509700000
+ 72005097 × 6000000 which equals 432030582000000
+ 72005097 × 20000000 giving us 1440101940000000

= 1879800560794821
