Alright, let's work through 63520328 times 45405789 step by step
63520328 × 45405789 = 45405789 × (63520328)
+ 45405789 × 8 giving us 363246312
+ 45405789 × 20 giving us 908115780
+ 45405789 × 300 what gives us 13621736700
+ 45405789 × 0000 giving us 0
+ 45405789 × 20000 that equals 908115780000
+ 45405789 × 500000 that equals 22702894500000
+ 45405789 × 3000000 producing 136217367000000
+ 45405789 × 60000000 that is equal 2724347340000000

= 2884190610378792
