Alright, let's work through 85026328 times 66047669 step by step
85026328 × 66047669 = 66047669 × (85026328)
+ 66047669 × 8 giving us 528381352
+ 66047669 × 20 that is equal 1320953380
+ 66047669 × 300 producing 19814300700
+ 66047669 × 6000 what gives us 396286014000
+ 66047669 × 20000 what gives us 1320953380000
+ 66047669 × 000000 giving us 0
+ 66047669 × 5000000 that results in 330238345000000
+ 66047669 × 80000000 resulting in 5283813520000000

= 5615790768029432
