Alright, let's work through 64739914 times 83000525 step by step
64739914 × 83000525 = 83000525 × (64739914)
+ 83000525 × 4 that results in 332002100
+ 83000525 × 10 giving us 830005250
+ 83000525 × 900 which equals 74700472500
+ 83000525 × 9000 that is equal 747004725000
+ 83000525 × 30000 producing 2490015750000
+ 83000525 × 700000 which equals 58100367500000
+ 83000525 × 4000000 giving us 332002100000000
+ 83000525 × 60000000 producing 4980031500000000

= 5373446850454850
