Alright, let's work through 60206002 times 64207531 step by step
60206002 × 64207531 = 64207531 × (60206002)
+ 64207531 × 2 what gives us 128415062
+ 64207531 × 00 what gives us 0
+ 64207531 × 000 that equals 0
+ 64207531 × 6000 which equals 385245186000
+ 64207531 × 00000 that is equal 0
+ 64207531 × 200000 which equals 12841506200000
+ 64207531 × 0000000 yielding 0
+ 64207531 × 60000000 yielding 3852451860000000

= 3865678739801062
