Alright, let's work through 11806908 times 20786506 step by step
11806908 × 20786506 = 20786506 × (11806908)
+ 20786506 × 8 that is equal 166292048
+ 20786506 × 00 resulting in 0
+ 20786506 × 900 that results in 18707855400
+ 20786506 × 6000 giving us 124719036000
+ 20786506 × 00000 that equals 0
+ 20786506 × 800000 that results in 16629204800000
+ 20786506 × 1000000 that equals 20786506000000
+ 20786506 × 10000000 producing 207865060000000

= 245424363983448
