Alright, let's work through 82442973 times 51859069 step by step
82442973 × 51859069 = 51859069 × (82442973)
+ 51859069 × 3 giving us 155577207
+ 51859069 × 70 resulting in 3630134830
+ 51859069 × 900 giving us 46673162100
+ 51859069 × 2000 that is equal 103718138000
+ 51859069 × 40000 that is equal 2074362760000
+ 51859069 × 400000 that is equal 20743627600000
+ 51859069 × 2000000 which equals 103718138000000
+ 51859069 × 80000000 that results in 4148725520000000

= 4275415825372137
