Alright, let's work through 66450635 times 96645780 step by step
66450635 × 96645780 = 96645780 × (66450635)
+ 96645780 × 5 producing 483228900
+ 96645780 × 30 what gives us 2899373400
+ 96645780 × 600 yielding 57987468000
+ 96645780 × 0000 resulting in 0
+ 96645780 × 50000 which equals 4832289000000
+ 96645780 × 400000 which equals 38658312000000
+ 96645780 × 6000000 giving us 579874680000000
+ 96645780 × 60000000 yielding 5798746800000000

= 6422173451070300
