Alright, let's work through 64325019 times 5374071 step by step
64325019 × 5374071 = 5374071 × (64325019)
+ 5374071 × 9 that equals 48366639
+ 5374071 × 10 giving us 53740710
+ 5374071 × 000 giving us 0
+ 5374071 × 5000 what gives us 26870355000
+ 5374071 × 20000 giving us 107481420000
+ 5374071 × 300000 that equals 1612221300000
+ 5374071 × 4000000 which equals 21496284000000
+ 5374071 × 60000000 giving us 322444260000000

= 345687219182349
