Alright, let's work through 80126017 times 79017690 step by step
80126017 × 79017690 = 79017690 × (80126017)
+ 79017690 × 7 that is equal 553123830
+ 79017690 × 10 giving us 790176900
+ 79017690 × 000 that results in 0
+ 79017690 × 6000 giving us 474106140000
+ 79017690 × 20000 that is equal 1580353800000
+ 79017690 × 100000 which equals 7901769000000
+ 79017690 × 0000000 which equals 0
+ 79017690 × 80000000 what gives us 6321415200000000

= 6331372772240730
