Alright, let's work through 80954246 times 20508927 step by step
80954246 × 20508927 = 20508927 × (80954246)
+ 20508927 × 6 resulting in 123053562
+ 20508927 × 40 what gives us 820357080
+ 20508927 × 200 that results in 4101785400
+ 20508927 × 4000 that is equal 82035708000
+ 20508927 × 50000 what gives us 1025446350000
+ 20508927 × 900000 what gives us 18458034300000
+ 20508927 × 0000000 that results in 0
+ 20508927 × 80000000 producing 1640714160000000

= 1660284721554042
