Alright, let's work through 65328960 times 38991424 step by step
65328960 × 38991424 = 38991424 × (65328960)
+ 38991424 × 0 producing 0
+ 38991424 × 60 that is equal 2339485440
+ 38991424 × 900 that results in 35092281600
+ 38991424 × 8000 resulting in 311931392000
+ 38991424 × 20000 giving us 779828480000
+ 38991424 × 300000 which equals 11697427200000
+ 38991424 × 5000000 that results in 194957120000000
+ 38991424 × 60000000 giving us 2339485440000000

= 2547269178839040
