Alright, let's work through 66180504 times 21463084 step by step
66180504 × 21463084 = 21463084 × (66180504)
+ 21463084 × 4 resulting in 85852336
+ 21463084 × 00 which equals 0
+ 21463084 × 500 that is equal 10731542000
+ 21463084 × 0000 what gives us 0
+ 21463084 × 80000 which equals 1717046720000
+ 21463084 × 100000 that is equal 2146308400000
+ 21463084 × 6000000 that is equal 128778504000000
+ 21463084 × 60000000 resulting in 1287785040000000

= 1420437716514336
