Alright, let's work through 72336258 times 89028157 step by step
72336258 × 89028157 = 89028157 × (72336258)
+ 89028157 × 8 producing 712225256
+ 89028157 × 50 yielding 4451407850
+ 89028157 × 200 that equals 17805631400
+ 89028157 × 6000 that is equal 534168942000
+ 89028157 × 30000 which equals 2670844710000
+ 89028157 × 300000 giving us 26708447100000
+ 89028157 × 2000000 that results in 178056314000000
+ 89028157 × 70000000 that results in 6231970990000000

= 6439963734016506
