Alright, let's work through 78131832 times 80708858 step by step
78131832 × 80708858 = 80708858 × (78131832)
+ 80708858 × 2 that results in 161417716
+ 80708858 × 30 giving us 2421265740
+ 80708858 × 800 that is equal 64567086400
+ 80708858 × 1000 giving us 80708858000
+ 80708858 × 30000 resulting in 2421265740000
+ 80708858 × 100000 that is equal 8070885800000
+ 80708858 × 8000000 producing 645670864000000
+ 80708858 × 70000000 what gives us 5649620060000000

= 6305930934167856
