Alright, let's work through 63545847 times 42068713 step by step
63545847 × 42068713 = 42068713 × (63545847)
+ 42068713 × 7 that equals 294480991
+ 42068713 × 40 that is equal 1682748520
+ 42068713 × 800 that results in 33654970400
+ 42068713 × 5000 yielding 210343565000
+ 42068713 × 40000 producing 1682748520000
+ 42068713 × 500000 producing 21034356500000
+ 42068713 × 3000000 producing 126206139000000
+ 42068713 × 60000000 producing 2524122780000000

= 2673291999784911
