Alright, let's work through 64327229 times 21502102 step by step
64327229 × 21502102 = 21502102 × (64327229)
+ 21502102 × 9 producing 193518918
+ 21502102 × 20 giving us 430042040
+ 21502102 × 200 what gives us 4300420400
+ 21502102 × 7000 producing 150514714000
+ 21502102 × 20000 yielding 430042040000
+ 21502102 × 300000 which equals 6450630600000
+ 21502102 × 4000000 what gives us 86008408000000
+ 21502102 × 60000000 that results in 1290126120000000

= 1383170639335358
