Alright, let's work through 64485555 times 83253310 step by step
64485555 × 83253310 = 83253310 × (64485555)
+ 83253310 × 5 which equals 416266550
+ 83253310 × 50 giving us 4162665500
+ 83253310 × 500 producing 41626655000
+ 83253310 × 5000 that is equal 416266550000
+ 83253310 × 80000 that results in 6660264800000
+ 83253310 × 400000 that results in 33301324000000
+ 83253310 × 4000000 producing 333013240000000
+ 83253310 × 60000000 that results in 4995198600000000

= 5368635900937050
