Alright, let's work through 54068514 times 10721027 step by step
54068514 × 10721027 = 10721027 × (54068514)
+ 10721027 × 4 which equals 42884108
+ 10721027 × 10 what gives us 107210270
+ 10721027 × 500 yielding 5360513500
+ 10721027 × 8000 giving us 85768216000
+ 10721027 × 60000 yielding 643261620000
+ 10721027 × 000000 giving us 0
+ 10721027 × 4000000 that equals 42884108000000
+ 10721027 × 50000000 that results in 536051350000000

= 579669998443878
