Alright, let's work through 64021218 times 28236675 step by step
64021218 × 28236675 = 28236675 × (64021218)
+ 28236675 × 8 what gives us 225893400
+ 28236675 × 10 that is equal 282366750
+ 28236675 × 200 that equals 5647335000
+ 28236675 × 1000 giving us 28236675000
+ 28236675 × 20000 that results in 564733500000
+ 28236675 × 000000 what gives us 0
+ 28236675 × 4000000 giving us 112946700000000
+ 28236675 × 60000000 that results in 1694200500000000

= 1807746325770150
