Alright, let's work through 84940425 times 79172526 step by step
84940425 × 79172526 = 79172526 × (84940425)
+ 79172526 × 5 yielding 395862630
+ 79172526 × 20 that is equal 1583450520
+ 79172526 × 400 what gives us 31669010400
+ 79172526 × 0000 resulting in 0
+ 79172526 × 40000 yielding 3166901040000
+ 79172526 × 900000 what gives us 71255273400000
+ 79172526 × 4000000 that equals 316690104000000
+ 79172526 × 80000000 what gives us 6333802080000000

= 6724948006763550
