Alright, let's work through 64393552 times 18849671 step by step
64393552 × 18849671 = 18849671 × (64393552)
+ 18849671 × 2 that is equal 37699342
+ 18849671 × 50 that equals 942483550
+ 18849671 × 500 that equals 9424835500
+ 18849671 × 3000 producing 56549013000
+ 18849671 × 90000 what gives us 1696470390000
+ 18849671 × 300000 producing 5654901300000
+ 18849671 × 4000000 which equals 75398684000000
+ 18849671 × 60000000 resulting in 1130980260000000

= 1213797269721392
