Alright, let's work through 63151215 times 10749325 step by step
63151215 × 10749325 = 10749325 × (63151215)
+ 10749325 × 5 producing 53746625
+ 10749325 × 10 resulting in 107493250
+ 10749325 × 200 resulting in 2149865000
+ 10749325 × 1000 that results in 10749325000
+ 10749325 × 50000 yielding 537466250000
+ 10749325 × 100000 resulting in 1074932500000
+ 10749325 × 3000000 which equals 32247975000000
+ 10749325 × 60000000 that equals 644959500000000

= 678832934179875
